Home / 18,356.35-25,332.27-10,398.57

Finding the Fourth Proportional to 18,356.35, 25,332.27 and 10,398.57

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Solution

The fourth proportional to 18,356.35, 25,332.27 and 10,398.57 is: 14,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.35 : 25,332.27 = 10,398.57 : x
  2. Step 2: Convert to fraction form
    18,356.35/25,332.27 = 10,398.57/x
  3. Step 3: Cross multiply
    18,356.35x = 25,332.27 × 10,398.57
  4. Step 4: Simplify right side
    18,356.35x = 263,419,479.10
  5. Step 5: Solve for x
    x = 263,419,479.10/18,356.35
  6. Step 6: Final answer
    x = 14,350.32

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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.