Home / 18,147.06-25,042.05-10,189.62

Finding the Fourth Proportional to 18,147.06, 25,042.05 and 10,189.62

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Solution

The fourth proportional to 18,147.06, 25,042.05 and 10,189.62 is: 14,061.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.06 : 25,042.05 = 10,189.62 : x
  2. Step 2: Convert to fraction form
    18,147.06/25,042.05 = 10,189.62/x
  3. Step 3: Cross multiply
    18,147.06x = 25,042.05 × 10,189.62
  4. Step 4: Simplify right side
    18,147.06x = 255,168,973.52
  5. Step 5: Solve for x
    x = 255,168,973.52/18,147.06
  6. Step 6: Final answer
    x = 14,061.17

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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.