Home / 18,429.92-25,433.16-10,046.48

Finding the Fourth Proportional to 18,429.92, 25,433.16 and 10,046.48

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Solution

The fourth proportional to 18,429.92, 25,433.16 and 10,046.48 is: 13,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.92 : 25,433.16 = 10,046.48 : x
  2. Step 2: Convert to fraction form
    18,429.92/25,433.16 = 10,046.48/x
  3. Step 3: Cross multiply
    18,429.92x = 25,433.16 × 10,046.48
  4. Step 4: Simplify right side
    18,429.92x = 255,513,733.28
  5. Step 5: Solve for x
    x = 255,513,733.28/18,429.92
  6. Step 6: Final answer
    x = 13,864.07

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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.