Home / 18,425.85-25,427.54-10,468.08

Finding the Fourth Proportional to 18,425.85, 25,427.54 and 10,468.08

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Solution

The fourth proportional to 18,425.85, 25,427.54 and 10,468.08 is: 14,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.85 : 25,427.54 = 10,468.08 : x
  2. Step 2: Convert to fraction form
    18,425.85/25,427.54 = 10,468.08/x
  3. Step 3: Cross multiply
    18,425.85x = 25,427.54 × 10,468.08
  4. Step 4: Simplify right side
    18,425.85x = 266,177,522.92
  5. Step 5: Solve for x
    x = 266,177,522.92/18,425.85
  6. Step 6: Final answer
    x = 14,445.87

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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.