Home / 23,422.74-32,324.15-12,812.38

Finding the Fourth Proportional to 23,422.74, 32,324.15 and 12,812.38

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Solution

The fourth proportional to 23,422.74, 32,324.15 and 12,812.38 is: 17,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,422.74 : 32,324.15 = 12,812.38 : x
  2. Step 2: Convert to fraction form
    23,422.74/32,324.15 = 12,812.38/x
  3. Step 3: Cross multiply
    23,422.74x = 32,324.15 × 12,812.38
  4. Step 4: Simplify right side
    23,422.74x = 414,149,172.13
  5. Step 5: Solve for x
    x = 414,149,172.13/23,422.74
  6. Step 6: Final answer
    x = 17,681.50

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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.