Home / 15,243.80-22,872.51-9,695.70

Finding the Fourth Proportional to 15,243.80, 22,872.51 and 9,695.70

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Solution

The fourth proportional to 15,243.80, 22,872.51 and 9,695.70 is: 14,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.80 : 22,872.51 = 9,695.70 : x
  2. Step 2: Convert to fraction form
    15,243.80/22,872.51 = 9,695.70/x
  3. Step 3: Cross multiply
    15,243.80x = 22,872.51 × 9,695.70
  4. Step 4: Simplify right side
    15,243.80x = 221,764,995.21
  5. Step 5: Solve for x
    x = 221,764,995.21/15,243.80
  6. Step 6: Final answer
    x = 14,547.89

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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.