Home / 22,512.66-31,034.52-15,777.93

Finding the Fourth Proportional to 22,512.66, 31,034.52 and 15,777.93

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Solution

The fourth proportional to 22,512.66, 31,034.52 and 15,777.93 is: 21,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.66 : 31,034.52 = 15,777.93 : x
  2. Step 2: Convert to fraction form
    22,512.66/31,034.52 = 15,777.93/x
  3. Step 3: Cross multiply
    22,512.66x = 31,034.52 × 15,777.93
  4. Step 4: Simplify right side
    22,512.66x = 489,660,484.14
  5. Step 5: Solve for x
    x = 489,660,484.14/22,512.66
  6. Step 6: Final answer
    x = 21,750.45

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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.