Home / 18,829.18-25,984.52-10,331.15

Finding the Fourth Proportional to 18,829.18, 25,984.52 and 10,331.15

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Solution

The fourth proportional to 18,829.18, 25,984.52 and 10,331.15 is: 14,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.18 : 25,984.52 = 10,331.15 : x
  2. Step 2: Convert to fraction form
    18,829.18/25,984.52 = 10,331.15/x
  3. Step 3: Cross multiply
    18,829.18x = 25,984.52 × 10,331.15
  4. Step 4: Simplify right side
    18,829.18x = 268,450,035.24
  5. Step 5: Solve for x
    x = 268,450,035.24/18,829.18
  6. Step 6: Final answer
    x = 14,257.13

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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.