Home / 22,577.20-31,154.16-12,505.37

Finding the Fourth Proportional to 22,577.20, 31,154.16 and 12,505.37

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Solution

The fourth proportional to 22,577.20, 31,154.16 and 12,505.37 is: 17,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.20 : 31,154.16 = 12,505.37 : x
  2. Step 2: Convert to fraction form
    22,577.20/31,154.16 = 12,505.37/x
  3. Step 3: Cross multiply
    22,577.20x = 31,154.16 × 12,505.37
  4. Step 4: Simplify right side
    22,577.20x = 389,594,297.84
  5. Step 5: Solve for x
    x = 389,594,297.84/22,577.20
  6. Step 6: Final answer
    x = 17,256.09

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Double scale
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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.