Home / 18,207.81-25,126.77-10,655.60

Finding the Fourth Proportional to 18,207.81, 25,126.77 and 10,655.60

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Solution

The fourth proportional to 18,207.81, 25,126.77 and 10,655.60 is: 14,704.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.81 : 25,126.77 = 10,655.60 : x
  2. Step 2: Convert to fraction form
    18,207.81/25,126.77 = 10,655.60/x
  3. Step 3: Cross multiply
    18,207.81x = 25,126.77 × 10,655.60
  4. Step 4: Simplify right side
    18,207.81x = 267,740,684.78
  5. Step 5: Solve for x
    x = 267,740,684.78/18,207.81
  6. Step 6: Final answer
    x = 14,704.72

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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.