Home / 18,146.04-25,042.14-10,189.68

Finding the Fourth Proportional to 18,146.04, 25,042.14 and 10,189.68

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Solution

The fourth proportional to 18,146.04, 25,042.14 and 10,189.68 is: 14,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.04 : 25,042.14 = 10,189.68 : x
  2. Step 2: Convert to fraction form
    18,146.04/25,042.14 = 10,189.68/x
  3. Step 3: Cross multiply
    18,146.04x = 25,042.14 × 10,189.68
  4. Step 4: Simplify right side
    18,146.04x = 255,171,393.12
  5. Step 5: Solve for x
    x = 255,171,393.12/18,146.04
  6. Step 6: Final answer
    x = 14,062.10

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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.