Home / 19,915.98-29,867.00-5,872.28

Finding the Fourth Proportional to 19,915.98, 29,867.00 and 5,872.28

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Solution

The fourth proportional to 19,915.98, 29,867.00 and 5,872.28 is: 8,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.98 : 29,867.00 = 5,872.28 : x
  2. Step 2: Convert to fraction form
    19,915.98/29,867.00 = 5,872.28/x
  3. Step 3: Cross multiply
    19,915.98x = 29,867.00 × 5,872.28
  4. Step 4: Simplify right side
    19,915.98x = 175,387,208.06
  5. Step 5: Solve for x
    x = 175,387,208.06/19,915.98
  6. Step 6: Final answer
    x = 8,806.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.