Home / 14,790.28-20,404.12-9,748.04

Finding the Fourth Proportional to 14,790.28, 20,404.12 and 9,748.04

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Solution

The fourth proportional to 14,790.28, 20,404.12 and 9,748.04 is: 13,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.28 : 20,404.12 = 9,748.04 : x
  2. Step 2: Convert to fraction form
    14,790.28/20,404.12 = 9,748.04/x
  3. Step 3: Cross multiply
    14,790.28x = 20,404.12 × 9,748.04
  4. Step 4: Simplify right side
    14,790.28x = 198,900,177.92
  5. Step 5: Solve for x
    x = 198,900,177.92/14,790.28
  6. Step 6: Final answer
    x = 13,448.03

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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.