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Finding the Fourth Proportional to 14,510.16, 20,024.08 and 8,136.88

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Solution

The fourth proportional to 14,510.16, 20,024.08 and 8,136.88 is: 11,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.16 : 20,024.08 = 8,136.88 : x
  2. Step 2: Convert to fraction form
    14,510.16/20,024.08 = 8,136.88/x
  3. Step 3: Cross multiply
    14,510.16x = 20,024.08 × 8,136.88
  4. Step 4: Simplify right side
    14,510.16x = 162,933,465.67
  5. Step 5: Solve for x
    x = 162,933,465.67/14,510.16
  6. Step 6: Final answer
    x = 11,228.92

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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.