Home / 23,184.55-31,995.17-13,631.41

Finding the Fourth Proportional to 23,184.55, 31,995.17 and 13,631.41

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Solution

The fourth proportional to 23,184.55, 31,995.17 and 13,631.41 is: 18,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,184.55 : 31,995.17 = 13,631.41 : x
  2. Step 2: Convert to fraction form
    23,184.55/31,995.17 = 13,631.41/x
  3. Step 3: Cross multiply
    23,184.55x = 31,995.17 × 13,631.41
  4. Step 4: Simplify right side
    23,184.55x = 436,139,280.29
  5. Step 5: Solve for x
    x = 436,139,280.29/23,184.55
  6. Step 6: Final answer
    x = 18,811.63

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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.