Home / 18,326.30-25,294.23-11,158.58

Finding the Fourth Proportional to 18,326.30, 25,294.23 and 11,158.58

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Solution

The fourth proportional to 18,326.30, 25,294.23 and 11,158.58 is: 15,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.30 : 25,294.23 = 11,158.58 : x
  2. Step 2: Convert to fraction form
    18,326.30/25,294.23 = 11,158.58/x
  3. Step 3: Cross multiply
    18,326.30x = 25,294.23 × 11,158.58
  4. Step 4: Simplify right side
    18,326.30x = 282,247,562.52
  5. Step 5: Solve for x
    x = 282,247,562.52/18,326.30
  6. Step 6: Final answer
    x = 15,401.23

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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.