Home / 22,507.47-31,062.29-13,079.07

Finding the Fourth Proportional to 22,507.47, 31,062.29 and 13,079.07

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Solution

The fourth proportional to 22,507.47, 31,062.29 and 13,079.07 is: 18,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,507.47 : 31,062.29 = 13,079.07 : x
  2. Step 2: Convert to fraction form
    22,507.47/31,062.29 = 13,079.07/x
  3. Step 3: Cross multiply
    22,507.47x = 31,062.29 × 13,079.07
  4. Step 4: Simplify right side
    22,507.47x = 406,265,799.87
  5. Step 5: Solve for x
    x = 406,265,799.87/22,507.47
  6. Step 6: Final answer
    x = 18,050.27

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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.