Home / 38,564.40-57,853.46-13,618.94

Finding the Fourth Proportional to 38,564.40, 57,853.46 and 13,618.94

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Solution

The fourth proportional to 38,564.40, 57,853.46 and 13,618.94 is: 20,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564.40 : 57,853.46 = 13,618.94 : x
  2. Step 2: Convert to fraction form
    38,564.40/57,853.46 = 13,618.94/x
  3. Step 3: Cross multiply
    38,564.40x = 57,853.46 × 13,618.94
  4. Step 4: Simplify right side
    38,564.40x = 787,902,443.17
  5. Step 5: Solve for x
    x = 787,902,443.17/38,564.40
  6. Step 6: Final answer
    x = 20,430.82

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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.