Home / 15,016.24-20,728.47-9,053.02

Finding the Fourth Proportional to 15,016.24, 20,728.47 and 9,053.02

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Solution

The fourth proportional to 15,016.24, 20,728.47 and 9,053.02 is: 12,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.24 : 20,728.47 = 9,053.02 : x
  2. Step 2: Convert to fraction form
    15,016.24/20,728.47 = 9,053.02/x
  3. Step 3: Cross multiply
    15,016.24x = 20,728.47 × 9,053.02
  4. Step 4: Simplify right side
    15,016.24x = 187,655,253.48
  5. Step 5: Solve for x
    x = 187,655,253.48/15,016.24
  6. Step 6: Final answer
    x = 12,496.82

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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.