Home / 38,143.64-57,201.40-13,177.28

Finding the Fourth Proportional to 38,143.64, 57,201.40 and 13,177.28

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Solution

The fourth proportional to 38,143.64, 57,201.40 and 13,177.28 is: 19,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.64 : 57,201.40 = 13,177.28 : x
  2. Step 2: Convert to fraction form
    38,143.64/57,201.40 = 13,177.28/x
  3. Step 3: Cross multiply
    38,143.64x = 57,201.40 × 13,177.28
  4. Step 4: Simplify right side
    38,143.64x = 753,758,864.19
  5. Step 5: Solve for x
    x = 753,758,864.19/38,143.64
  6. Step 6: Final answer
    x = 19,761.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.