Home / 19,291.83-28,901.92-9,937.52

Finding the Fourth Proportional to 19,291.83, 28,901.92 and 9,937.52

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Solution

The fourth proportional to 19,291.83, 28,901.92 and 9,937.52 is: 14,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.83 : 28,901.92 = 9,937.52 : x
  2. Step 2: Convert to fraction form
    19,291.83/28,901.92 = 9,937.52/x
  3. Step 3: Cross multiply
    19,291.83x = 28,901.92 × 9,937.52
  4. Step 4: Simplify right side
    19,291.83x = 287,213,358.35
  5. Step 5: Solve for x
    x = 287,213,358.35/19,291.83
  6. Step 6: Final answer
    x = 14,887.83

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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.