Home / 14,808.60-20,434.02-8,521.38

Finding the Fourth Proportional to 14,808.60, 20,434.02 and 8,521.38

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Solution

The fourth proportional to 14,808.60, 20,434.02 and 8,521.38 is: 11,758.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.60 : 20,434.02 = 8,521.38 : x
  2. Step 2: Convert to fraction form
    14,808.60/20,434.02 = 8,521.38/x
  3. Step 3: Cross multiply
    14,808.60x = 20,434.02 × 8,521.38
  4. Step 4: Simplify right side
    14,808.60x = 174,126,049.35
  5. Step 5: Solve for x
    x = 174,126,049.35/14,808.60
  6. Step 6: Final answer
    x = 11,758.44

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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.