Home / 18,470.86-25,490.73-11,298.51

Finding the Fourth Proportional to 18,470.86, 25,490.73 and 11,298.51

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Solution

The fourth proportional to 18,470.86, 25,490.73 and 11,298.51 is: 15,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.86 : 25,490.73 = 11,298.51 : x
  2. Step 2: Convert to fraction form
    18,470.86/25,490.73 = 11,298.51/x
  3. Step 3: Cross multiply
    18,470.86x = 25,490.73 × 11,298.51
  4. Step 4: Simplify right side
    18,470.86x = 288,007,286.54
  5. Step 5: Solve for x
    x = 288,007,286.54/18,470.86
  6. Step 6: Final answer
    x = 15,592.52

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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.