Home / 38,218.68-57,328.02-17,147.16

Finding the Fourth Proportional to 38,218.68, 57,328.02 and 17,147.16

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Solution

The fourth proportional to 38,218.68, 57,328.02 and 17,147.16 is: 25,720.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.68 : 57,328.02 = 17,147.16 : x
  2. Step 2: Convert to fraction form
    38,218.68/57,328.02 = 17,147.16/x
  3. Step 3: Cross multiply
    38,218.68x = 57,328.02 × 17,147.16
  4. Step 4: Simplify right side
    38,218.68x = 983,012,731.42
  5. Step 5: Solve for x
    x = 983,012,731.42/38,218.68
  6. Step 6: Final answer
    x = 25,720.74

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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.