Home / 15,309.60-22,970.13-10,425.30

Finding the Fourth Proportional to 15,309.60, 22,970.13 and 10,425.30

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Solution

The fourth proportional to 15,309.60, 22,970.13 and 10,425.30 is: 15,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309.60 : 22,970.13 = 10,425.30 : x
  2. Step 2: Convert to fraction form
    15,309.60/22,970.13 = 10,425.30/x
  3. Step 3: Cross multiply
    15,309.60x = 22,970.13 × 10,425.30
  4. Step 4: Simplify right side
    15,309.60x = 239,470,496.29
  5. Step 5: Solve for x
    x = 239,470,496.29/15,309.60
  6. Step 6: Final answer
    x = 15,641.85

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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.