Home / 14,521.92-20,044.36-8,557.04

Finding the Fourth Proportional to 14,521.92, 20,044.36 and 8,557.04

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Solution

The fourth proportional to 14,521.92, 20,044.36 and 8,557.04 is: 11,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.92 : 20,044.36 = 8,557.04 : x
  2. Step 2: Convert to fraction form
    14,521.92/20,044.36 = 8,557.04/x
  3. Step 3: Cross multiply
    14,521.92x = 20,044.36 × 8,557.04
  4. Step 4: Simplify right side
    14,521.92x = 171,520,390.29
  5. Step 5: Solve for x
    x = 171,520,390.29/14,521.92
  6. Step 6: Final answer
    x = 11,811.14

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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.