Home / 14,098.17-21,140.63-8,176.74

Finding the Fourth Proportional to 14,098.17, 21,140.63 and 8,176.74

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Solution

The fourth proportional to 14,098.17, 21,140.63 and 8,176.74 is: 12,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.17 : 21,140.63 = 8,176.74 : x
  2. Step 2: Convert to fraction form
    14,098.17/21,140.63 = 8,176.74/x
  3. Step 3: Cross multiply
    14,098.17x = 21,140.63 × 8,176.74
  4. Step 4: Simplify right side
    14,098.17x = 172,861,434.95
  5. Step 5: Solve for x
    x = 172,861,434.95/14,098.17
  6. Step 6: Final answer
    x = 12,261.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.