Home / 22,672.22-31,273.55-15,586.34

Finding the Fourth Proportional to 22,672.22, 31,273.55 and 15,586.34

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Solution

The fourth proportional to 22,672.22, 31,273.55 and 15,586.34 is: 21,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.22 : 31,273.55 = 15,586.34 : x
  2. Step 2: Convert to fraction form
    22,672.22/31,273.55 = 15,586.34/x
  3. Step 3: Cross multiply
    22,672.22x = 31,273.55 × 15,586.34
  4. Step 4: Simplify right side
    22,672.22x = 487,440,242.01
  5. Step 5: Solve for x
    x = 487,440,242.01/22,672.22
  6. Step 6: Final answer
    x = 21,499.45

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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.