Home / 18,114.56-25,002.24-10,666.88

Finding the Fourth Proportional to 18,114.56, 25,002.24 and 10,666.88

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Solution

The fourth proportional to 18,114.56, 25,002.24 and 10,666.88 is: 14,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.56 : 25,002.24 = 10,666.88 : x
  2. Step 2: Convert to fraction form
    18,114.56/25,002.24 = 10,666.88/x
  3. Step 3: Cross multiply
    18,114.56x = 25,002.24 × 10,666.88
  4. Step 4: Simplify right side
    18,114.56x = 266,695,893.81
  5. Step 5: Solve for x
    x = 266,695,893.81/18,114.56
  6. Step 6: Final answer
    x = 14,722.74

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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.