Home / 23,511.20-32,445.50-12,900.92

Finding the Fourth Proportional to 23,511.20, 32,445.50 and 12,900.92

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Solution

The fourth proportional to 23,511.20, 32,445.50 and 12,900.92 is: 17,803.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.20 : 32,445.50 = 12,900.92 : x
  2. Step 2: Convert to fraction form
    23,511.20/32,445.50 = 12,900.92/x
  3. Step 3: Cross multiply
    23,511.20x = 32,445.50 × 12,900.92
  4. Step 4: Simplify right side
    23,511.20x = 418,576,573.13
  5. Step 5: Solve for x
    x = 418,576,573.13/23,511.20
  6. Step 6: Final answer
    x = 17,803.28

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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.