Home / 18,149.49-25,047.54-11,077.11

Finding the Fourth Proportional to 18,149.49, 25,047.54 and 11,077.11

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Solution

The fourth proportional to 18,149.49, 25,047.54 and 11,077.11 is: 15,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.49 : 25,047.54 = 11,077.11 : x
  2. Step 2: Convert to fraction form
    18,149.49/25,047.54 = 11,077.11/x
  3. Step 3: Cross multiply
    18,149.49x = 25,047.54 × 11,077.11
  4. Step 4: Simplify right side
    18,149.49x = 277,454,355.81
  5. Step 5: Solve for x
    x = 277,454,355.81/18,149.49
  6. Step 6: Final answer
    x = 15,287.17

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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.