Home / 14,151.60-19,529.72-8,487.27

Finding the Fourth Proportional to 14,151.60, 19,529.72 and 8,487.27

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Solution

The fourth proportional to 14,151.60, 19,529.72 and 8,487.27 is: 11,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.60 : 19,529.72 = 8,487.27 : x
  2. Step 2: Convert to fraction form
    14,151.60/19,529.72 = 8,487.27/x
  3. Step 3: Cross multiply
    14,151.60x = 19,529.72 × 8,487.27
  4. Step 4: Simplify right side
    14,151.60x = 165,754,006.66
  5. Step 5: Solve for x
    x = 165,754,006.66/14,151.60
  6. Step 6: Final answer
    x = 11,712.74

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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.