Home / 17,307.40-25,961.10-5,621.80

Finding the Fourth Proportional to 17,307.40, 25,961.10 and 5,621.80

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Solution

The fourth proportional to 17,307.40, 25,961.10 and 5,621.80 is: 8,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307.40 : 25,961.10 = 5,621.80 : x
  2. Step 2: Convert to fraction form
    17,307.40/25,961.10 = 5,621.80/x
  3. Step 3: Cross multiply
    17,307.40x = 25,961.10 × 5,621.80
  4. Step 4: Simplify right side
    17,307.40x = 145,948,111.98
  5. Step 5: Solve for x
    x = 145,948,111.98/17,307.40
  6. Step 6: Final answer
    x = 8,432.70

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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.