Home / 22,574.56-31,158.08-15,021.21

Finding the Fourth Proportional to 22,574.56, 31,158.08 and 15,021.21

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Solution

The fourth proportional to 22,574.56, 31,158.08 and 15,021.21 is: 20,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.56 : 31,158.08 = 15,021.21 : x
  2. Step 2: Convert to fraction form
    22,574.56/31,158.08 = 15,021.21/x
  3. Step 3: Cross multiply
    22,574.56x = 31,158.08 × 15,021.21
  4. Step 4: Simplify right side
    22,574.56x = 468,032,062.88
  5. Step 5: Solve for x
    x = 468,032,062.88/22,574.56
  6. Step 6: Final answer
    x = 20,732.72

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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.