Home / 22,488.47-31,036.84-13,057.03

Finding the Fourth Proportional to 22,488.47, 31,036.84 and 13,057.03

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Solution

The fourth proportional to 22,488.47, 31,036.84 and 13,057.03 is: 18,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.47 : 31,036.84 = 13,057.03 : x
  2. Step 2: Convert to fraction form
    22,488.47/31,036.84 = 13,057.03/x
  3. Step 3: Cross multiply
    22,488.47x = 31,036.84 × 13,057.03
  4. Step 4: Simplify right side
    22,488.47x = 405,248,957.14
  5. Step 5: Solve for x
    x = 405,248,957.14/22,488.47
  6. Step 6: Final answer
    x = 18,020.30

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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.