Home / 18,207.30-25,126.08-10,655.09

Finding the Fourth Proportional to 18,207.30, 25,126.08 and 10,655.09

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Solution

The fourth proportional to 18,207.30, 25,126.08 and 10,655.09 is: 14,704.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.30 : 25,126.08 = 10,655.09 : x
  2. Step 2: Convert to fraction form
    18,207.30/25,126.08 = 10,655.09/x
  3. Step 3: Cross multiply
    18,207.30x = 25,126.08 × 10,655.09
  4. Step 4: Simplify right side
    18,207.30x = 267,720,643.75
  5. Step 5: Solve for x
    x = 267,720,643.75/18,207.30
  6. Step 6: Final answer
    x = 14,704.03

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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.