Home / 39,491.08-59,236.92-9,909.07

Finding the Fourth Proportional to 39,491.08, 59,236.92 and 9,909.07

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Solution

The fourth proportional to 39,491.08, 59,236.92 and 9,909.07 is: 14,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.08 : 59,236.92 = 9,909.07 : x
  2. Step 2: Convert to fraction form
    39,491.08/59,236.92 = 9,909.07/x
  3. Step 3: Cross multiply
    39,491.08x = 59,236.92 × 9,909.07
  4. Step 4: Simplify right side
    39,491.08x = 586,982,638.77
  5. Step 5: Solve for x
    x = 586,982,638.77/39,491.08
  6. Step 6: Final answer
    x = 14,863.68

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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.