Home / 18,064.88-24,935.30-12,688.62

Finding the Fourth Proportional to 18,064.88, 24,935.30 and 12,688.62

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Solution

The fourth proportional to 18,064.88, 24,935.30 and 12,688.62 is: 17,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.88 : 24,935.30 = 12,688.62 : x
  2. Step 2: Convert to fraction form
    18,064.88/24,935.30 = 12,688.62/x
  3. Step 3: Cross multiply
    18,064.88x = 24,935.30 × 12,688.62
  4. Step 4: Simplify right side
    18,064.88x = 316,394,546.29
  5. Step 5: Solve for x
    x = 316,394,546.29/18,064.88
  6. Step 6: Final answer
    x = 17,514.35

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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.