Home / 38,421.14-57,645.27-13,468.14

Finding the Fourth Proportional to 38,421.14, 57,645.27 and 13,468.14

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Solution

The fourth proportional to 38,421.14, 57,645.27 and 13,468.14 is: 20,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.14 : 57,645.27 = 13,468.14 : x
  2. Step 2: Convert to fraction form
    38,421.14/57,645.27 = 13,468.14/x
  3. Step 3: Cross multiply
    38,421.14x = 57,645.27 × 13,468.14
  4. Step 4: Simplify right side
    38,421.14x = 776,374,566.70
  5. Step 5: Solve for x
    x = 776,374,566.70/38,421.14
  6. Step 6: Final answer
    x = 20,206.97

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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.