Home / 14,116.18-19,484.64-8,151.76

Finding the Fourth Proportional to 14,116.18, 19,484.64 and 8,151.76

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Solution

The fourth proportional to 14,116.18, 19,484.64 and 8,151.76 is: 11,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.18 : 19,484.64 = 8,151.76 : x
  2. Step 2: Convert to fraction form
    14,116.18/19,484.64 = 8,151.76/x
  3. Step 3: Cross multiply
    14,116.18x = 19,484.64 × 8,151.76
  4. Step 4: Simplify right side
    14,116.18x = 158,834,108.97
  5. Step 5: Solve for x
    x = 158,834,108.97/14,116.18
  6. Step 6: Final answer
    x = 11,251.92

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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.