Home / 18,678.59-27,881.17-16,464.32

Finding the Fourth Proportional to 18,678.59, 27,881.17 and 16,464.32

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Solution

The fourth proportional to 18,678.59, 27,881.17 and 16,464.32 is: 24,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,678.59 : 27,881.17 = 16,464.32 : x
  2. Step 2: Convert to fraction form
    18,678.59/27,881.17 = 16,464.32/x
  3. Step 3: Cross multiply
    18,678.59x = 27,881.17 × 16,464.32
  4. Step 4: Simplify right side
    18,678.59x = 459,044,422.53
  5. Step 5: Solve for x
    x = 459,044,422.53/18,678.59
  6. Step 6: Final answer
    x = 24,575.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.