Home / 14,750.28-20,355.12-8,462.16

Finding the Fourth Proportional to 14,750.28, 20,355.12 and 8,462.16

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Solution

The fourth proportional to 14,750.28, 20,355.12 and 8,462.16 is: 11,677.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.28 : 20,355.12 = 8,462.16 : x
  2. Step 2: Convert to fraction form
    14,750.28/20,355.12 = 8,462.16/x
  3. Step 3: Cross multiply
    14,750.28x = 20,355.12 × 8,462.16
  4. Step 4: Simplify right side
    14,750.28x = 172,248,282.26
  5. Step 5: Solve for x
    x = 172,248,282.26/14,750.28
  6. Step 6: Final answer
    x = 11,677.63

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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.