Home / 23,187.48-31,998.71-12,577.19

Finding the Fourth Proportional to 23,187.48, 31,998.71 and 12,577.19

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Solution

The fourth proportional to 23,187.48, 31,998.71 and 12,577.19 is: 17,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,187.48 : 31,998.71 = 12,577.19 : x
  2. Step 2: Convert to fraction form
    23,187.48/31,998.71 = 12,577.19/x
  3. Step 3: Cross multiply
    23,187.48x = 31,998.71 × 12,577.19
  4. Step 4: Simplify right side
    23,187.48x = 402,453,632.55
  5. Step 5: Solve for x
    x = 402,453,632.55/23,187.48
  6. Step 6: Final answer
    x = 17,356.51

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Half scale
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Double scale
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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.