Home / 24,915.12-34,361.72-21,053.45

Finding the Fourth Proportional to 24,915.12, 34,361.72 and 21,053.45

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Solution

The fourth proportional to 24,915.12, 34,361.72 and 21,053.45 is: 29,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,915.12 : 34,361.72 = 21,053.45 : x
  2. Step 2: Convert to fraction form
    24,915.12/34,361.72 = 21,053.45/x
  3. Step 3: Cross multiply
    24,915.12x = 34,361.72 × 21,053.45
  4. Step 4: Simplify right side
    24,915.12x = 723,432,476.86
  5. Step 5: Solve for x
    x = 723,432,476.86/24,915.12
  6. Step 6: Final answer
    x = 29,035.88

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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.