Home / 15,606.46-21,544.14-9,231.04

Finding the Fourth Proportional to 15,606.46, 21,544.14 and 9,231.04

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Solution

The fourth proportional to 15,606.46, 21,544.14 and 9,231.04 is: 12,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.46 : 21,544.14 = 9,231.04 : x
  2. Step 2: Convert to fraction form
    15,606.46/21,544.14 = 9,231.04/x
  3. Step 3: Cross multiply
    15,606.46x = 21,544.14 × 9,231.04
  4. Step 4: Simplify right side
    15,606.46x = 198,874,818.11
  5. Step 5: Solve for x
    x = 198,874,818.11/15,606.46
  6. Step 6: Final answer
    x = 12,743.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.