Home / 22,573.56-31,156.70-15,020.21

Finding the Fourth Proportional to 22,573.56, 31,156.70 and 15,020.21

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Solution

The fourth proportional to 22,573.56, 31,156.70 and 15,020.21 is: 20,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,573.56 : 31,156.70 = 15,020.21 : x
  2. Step 2: Convert to fraction form
    22,573.56/31,156.70 = 15,020.21/x
  3. Step 3: Cross multiply
    22,573.56x = 31,156.70 × 15,020.21
  4. Step 4: Simplify right side
    22,573.56x = 467,979,946.02
  5. Step 5: Solve for x
    x = 467,979,946.02/22,573.56
  6. Step 6: Final answer
    x = 20,731.33

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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.