Home / 18,442.11-25,441.98-11,372.63

Finding the Fourth Proportional to 18,442.11, 25,441.98 and 11,372.63

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Solution

The fourth proportional to 18,442.11, 25,441.98 and 11,372.63 is: 15,689.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.11 : 25,441.98 = 11,372.63 : x
  2. Step 2: Convert to fraction form
    18,442.11/25,441.98 = 11,372.63/x
  3. Step 3: Cross multiply
    18,442.11x = 25,441.98 × 11,372.63
  4. Step 4: Simplify right side
    18,442.11x = 289,342,225.01
  5. Step 5: Solve for x
    x = 289,342,225.01/18,442.11
  6. Step 6: Final answer
    x = 15,689.21

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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.