Home / 23,519.08-32,456.70-12,909.70

Finding the Fourth Proportional to 23,519.08, 32,456.70 and 12,909.70

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Solution

The fourth proportional to 23,519.08, 32,456.70 and 12,909.70 is: 17,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,519.08 : 32,456.70 = 12,909.70 : x
  2. Step 2: Convert to fraction form
    23,519.08/32,456.70 = 12,909.70/x
  3. Step 3: Cross multiply
    23,519.08x = 32,456.70 × 12,909.70
  4. Step 4: Simplify right side
    23,519.08x = 419,006,259.99
  5. Step 5: Solve for x
    x = 419,006,259.99/23,519.08
  6. Step 6: Final answer
    x = 17,815.59

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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.