Home / 23,298.20-32,150.43-12,687.80

Finding the Fourth Proportional to 23,298.20, 32,150.43 and 12,687.80

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Solution

The fourth proportional to 23,298.20, 32,150.43 and 12,687.80 is: 17,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,298.20 : 32,150.43 = 12,687.80 : x
  2. Step 2: Convert to fraction form
    23,298.20/32,150.43 = 12,687.80/x
  3. Step 3: Cross multiply
    23,298.20x = 32,150.43 × 12,687.80
  4. Step 4: Simplify right side
    23,298.20x = 407,918,225.75
  5. Step 5: Solve for x
    x = 407,918,225.75/23,298.20
  6. Step 6: Final answer
    x = 17,508.57

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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.