Home / 25,179-34,747.02-14,000.76

Finding the Fourth Proportional to 25,179, 34,747.02 and 14,000.76

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Solution

The fourth proportional to 25,179, 34,747.02 and 14,000.76 is: 19,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,179 : 34,747.02 = 14,000.76 : x
  2. Step 2: Convert to fraction form
    25,179/34,747.02 = 14,000.76/x
  3. Step 3: Cross multiply
    25,179x = 34,747.02 × 14,000.76
  4. Step 4: Simplify right side
    25,179x = 486,484,687.74
  5. Step 5: Solve for x
    x = 486,484,687.74/25,179
  6. Step 6: Final answer
    x = 19,321.05

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Double scale
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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.