Home / 15,310.10-22,970.88-10,425.80

Finding the Fourth Proportional to 15,310.10, 22,970.88 and 10,425.80

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Solution

The fourth proportional to 15,310.10, 22,970.88 and 10,425.80 is: 15,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.10 : 22,970.88 = 10,425.80 : x
  2. Step 2: Convert to fraction form
    15,310.10/22,970.88 = 10,425.80/x
  3. Step 3: Cross multiply
    15,310.10x = 22,970.88 × 10,425.80
  4. Step 4: Simplify right side
    15,310.10x = 239,489,685.85
  5. Step 5: Solve for x
    x = 239,489,685.85/15,310.10
  6. Step 6: Final answer
    x = 15,642.60

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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.