Home / 22,915.74-31,586.58-16,190.58

Finding the Fourth Proportional to 22,915.74, 31,586.58 and 16,190.58

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Solution

The fourth proportional to 22,915.74, 31,586.58 and 16,190.58 is: 22,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,915.74 : 31,586.58 = 16,190.58 : x
  2. Step 2: Convert to fraction form
    22,915.74/31,586.58 = 16,190.58/x
  3. Step 3: Cross multiply
    22,915.74x = 31,586.58 × 16,190.58
  4. Step 4: Simplify right side
    22,915.74x = 511,405,050.42
  5. Step 5: Solve for x
    x = 511,405,050.42/22,915.74
  6. Step 6: Final answer
    x = 22,316.76

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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.