Home / 15,022.20-22,475.70-9,838.20

Finding the Fourth Proportional to 15,022.20, 22,475.70 and 9,838.20

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Solution

The fourth proportional to 15,022.20, 22,475.70 and 9,838.20 is: 14,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,022.20 : 22,475.70 = 9,838.20 : x
  2. Step 2: Convert to fraction form
    15,022.20/22,475.70 = 9,838.20/x
  3. Step 3: Cross multiply
    15,022.20x = 22,475.70 × 9,838.20
  4. Step 4: Simplify right side
    15,022.20x = 221,120,431.74
  5. Step 5: Solve for x
    x = 221,120,431.74/15,022.20
  6. Step 6: Final answer
    x = 14,719.58

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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.