Home / 13,066.92-18,041.76-8,037.90

Finding the Fourth Proportional to 13,066.92, 18,041.76 and 8,037.90

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Solution

The fourth proportional to 13,066.92, 18,041.76 and 8,037.90 is: 11,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.92 : 18,041.76 = 8,037.90 : x
  2. Step 2: Convert to fraction form
    13,066.92/18,041.76 = 8,037.90/x
  3. Step 3: Cross multiply
    13,066.92x = 18,041.76 × 8,037.90
  4. Step 4: Simplify right side
    13,066.92x = 145,017,862.70
  5. Step 5: Solve for x
    x = 145,017,862.70/13,066.92
  6. Step 6: Final answer
    x = 11,098.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.