Home / 22,574.50-31,157.98-15,021.14

Finding the Fourth Proportional to 22,574.50, 31,157.98 and 15,021.14

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Solution

The fourth proportional to 22,574.50, 31,157.98 and 15,021.14 is: 20,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,574.50 : 31,157.98 = 15,021.14 : x
  2. Step 2: Convert to fraction form
    22,574.50/31,157.98 = 15,021.14/x
  3. Step 3: Cross multiply
    22,574.50x = 31,157.98 × 15,021.14
  4. Step 4: Simplify right side
    22,574.50x = 468,028,186.35
  5. Step 5: Solve for x
    x = 468,028,186.35/22,574.50
  6. Step 6: Final answer
    x = 20,732.61

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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.