Home / 18,851.17-28,273.11-5,700.46

Finding the Fourth Proportional to 18,851.17, 28,273.11 and 5,700.46

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Solution

The fourth proportional to 18,851.17, 28,273.11 and 5,700.46 is: 8,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.17 : 28,273.11 = 5,700.46 : x
  2. Step 2: Convert to fraction form
    18,851.17/28,273.11 = 5,700.46/x
  3. Step 3: Cross multiply
    18,851.17x = 28,273.11 × 5,700.46
  4. Step 4: Simplify right side
    18,851.17x = 161,169,732.63
  5. Step 5: Solve for x
    x = 161,169,732.63/18,851.17
  6. Step 6: Final answer
    x = 8,549.59

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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.