Home / 15,885.64-23,828.46-5,498.20

Finding the Fourth Proportional to 15,885.64, 23,828.46 and 5,498.20

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Solution

The fourth proportional to 15,885.64, 23,828.46 and 5,498.20 is: 8,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.64 : 23,828.46 = 5,498.20 : x
  2. Step 2: Convert to fraction form
    15,885.64/23,828.46 = 5,498.20/x
  3. Step 3: Cross multiply
    15,885.64x = 23,828.46 × 5,498.20
  4. Step 4: Simplify right side
    15,885.64x = 131,013,638.77
  5. Step 5: Solve for x
    x = 131,013,638.77/15,885.64
  6. Step 6: Final answer
    x = 8,247.30

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Similar ratio
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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.