Home / 20,598.04-28,429.52-11,645.92

Finding the Fourth Proportional to 20,598.04, 28,429.52 and 11,645.92

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Solution

The fourth proportional to 20,598.04, 28,429.52 and 11,645.92 is: 16,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.04 : 28,429.52 = 11,645.92 : x
  2. Step 2: Convert to fraction form
    20,598.04/28,429.52 = 11,645.92/x
  3. Step 3: Cross multiply
    20,598.04x = 28,429.52 × 11,645.92
  4. Step 4: Simplify right side
    20,598.04x = 331,087,915.56
  5. Step 5: Solve for x
    x = 331,087,915.56/20,598.04
  6. Step 6: Final answer
    x = 16,073.76

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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.