Home / 16,468.78-22,711.88-14,087.74

Finding the Fourth Proportional to 16,468.78, 22,711.88 and 14,087.74

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Solution

The fourth proportional to 16,468.78, 22,711.88 and 14,087.74 is: 19,428.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468.78 : 22,711.88 = 14,087.74 : x
  2. Step 2: Convert to fraction form
    16,468.78/22,711.88 = 14,087.74/x
  3. Step 3: Cross multiply
    16,468.78x = 22,711.88 × 14,087.74
  4. Step 4: Simplify right side
    16,468.78x = 319,959,060.35
  5. Step 5: Solve for x
    x = 319,959,060.35/16,468.78
  6. Step 6: Final answer
    x = 19,428.22

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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.