Home / 23,423.20-32,323.68-12,812.56

Finding the Fourth Proportional to 23,423.20, 32,323.68 and 12,812.56

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Solution

The fourth proportional to 23,423.20, 32,323.68 and 12,812.56 is: 17,681.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,423.20 : 32,323.68 = 12,812.56 : x
  2. Step 2: Convert to fraction form
    23,423.20/32,323.68 = 12,812.56/x
  3. Step 3: Cross multiply
    23,423.20x = 32,323.68 × 12,812.56
  4. Step 4: Simplify right side
    23,423.20x = 414,149,089.42
  5. Step 5: Solve for x
    x = 414,149,089.42/23,423.20
  6. Step 6: Final answer
    x = 17,681.15

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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.