Home / 16,121.76-22,248.03-9,048.18

Finding the Fourth Proportional to 16,121.76, 22,248.03 and 9,048.18

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Solution

The fourth proportional to 16,121.76, 22,248.03 and 9,048.18 is: 12,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.76 : 22,248.03 = 9,048.18 : x
  2. Step 2: Convert to fraction form
    16,121.76/22,248.03 = 9,048.18/x
  3. Step 3: Cross multiply
    16,121.76x = 22,248.03 × 9,048.18
  4. Step 4: Simplify right side
    16,121.76x = 201,304,180.09
  5. Step 5: Solve for x
    x = 201,304,180.09/16,121.76
  6. Step 6: Final answer
    x = 12,486.49

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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.