Home / 15,168.78-22,740.18-9,963.18

Finding the Fourth Proportional to 15,168.78, 22,740.18 and 9,963.18

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Solution

The fourth proportional to 15,168.78, 22,740.18 and 9,963.18 is: 14,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,168.78 : 22,740.18 = 9,963.18 : x
  2. Step 2: Convert to fraction form
    15,168.78/22,740.18 = 9,963.18/x
  3. Step 3: Cross multiply
    15,168.78x = 22,740.18 × 9,963.18
  4. Step 4: Simplify right side
    15,168.78x = 226,564,506.57
  5. Step 5: Solve for x
    x = 226,564,506.57/15,168.78
  6. Step 6: Final answer
    x = 14,936.24

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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.