Home / 23,431.07-32,331.05-13,359.74

Finding the Fourth Proportional to 23,431.07, 32,331.05 and 13,359.74

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Solution

The fourth proportional to 23,431.07, 32,331.05 and 13,359.74 is: 18,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.07 : 32,331.05 = 13,359.74 : x
  2. Step 2: Convert to fraction form
    23,431.07/32,331.05 = 13,359.74/x
  3. Step 3: Cross multiply
    23,431.07x = 32,331.05 × 13,359.74
  4. Step 4: Simplify right side
    23,431.07x = 431,934,243.57
  5. Step 5: Solve for x
    x = 431,934,243.57/23,431.07
  6. Step 6: Final answer
    x = 18,434.25

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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.