Home / 18,525.66-27,753.40-9,154.72

Finding the Fourth Proportional to 18,525.66, 27,753.40 and 9,154.72

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Solution

The fourth proportional to 18,525.66, 27,753.40 and 9,154.72 is: 13,714.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.66 : 27,753.40 = 9,154.72 : x
  2. Step 2: Convert to fraction form
    18,525.66/27,753.40 = 9,154.72/x
  3. Step 3: Cross multiply
    18,525.66x = 27,753.40 × 9,154.72
  4. Step 4: Simplify right side
    18,525.66x = 254,074,606.05
  5. Step 5: Solve for x
    x = 254,074,606.05/18,525.66
  6. Step 6: Final answer
    x = 13,714.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.