Home / 18,046.48-24,908.16-10,971.40

Finding the Fourth Proportional to 18,046.48, 24,908.16 and 10,971.40

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Solution

The fourth proportional to 18,046.48, 24,908.16 and 10,971.40 is: 15,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,046.48 : 24,908.16 = 10,971.40 : x
  2. Step 2: Convert to fraction form
    18,046.48/24,908.16 = 10,971.40/x
  3. Step 3: Cross multiply
    18,046.48x = 24,908.16 × 10,971.40
  4. Step 4: Simplify right side
    18,046.48x = 273,277,386.62
  5. Step 5: Solve for x
    x = 273,277,386.62/18,046.48
  6. Step 6: Final answer
    x = 15,142.97

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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.