Home / 22,577.09-31,161.39-13,151.12

Finding the Fourth Proportional to 22,577.09, 31,161.39 and 13,151.12

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Solution

The fourth proportional to 22,577.09, 31,161.39 and 13,151.12 is: 18,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.09 : 31,161.39 = 13,151.12 : x
  2. Step 2: Convert to fraction form
    22,577.09/31,161.39 = 13,151.12/x
  3. Step 3: Cross multiply
    22,577.09x = 31,161.39 × 13,151.12
  4. Step 4: Simplify right side
    22,577.09x = 409,807,179.26
  5. Step 5: Solve for x
    x = 409,807,179.26/22,577.09
  6. Step 6: Final answer
    x = 18,151.46

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Half scale
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Double scale
Find fourth proportional to 22,578.09, 31,162.77 and 13,152.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.