Home / 14,847.29-20,488.66-8,877.79

Finding the Fourth Proportional to 14,847.29, 20,488.66 and 8,877.79

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Solution

The fourth proportional to 14,847.29, 20,488.66 and 8,877.79 is: 12,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.29 : 20,488.66 = 8,877.79 : x
  2. Step 2: Convert to fraction form
    14,847.29/20,488.66 = 8,877.79/x
  3. Step 3: Cross multiply
    14,847.29x = 20,488.66 × 8,877.79
  4. Step 4: Simplify right side
    14,847.29x = 181,894,020.86
  5. Step 5: Solve for x
    x = 181,894,020.86/14,847.29
  6. Step 6: Final answer
    x = 12,250.99

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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.