Home / 18,470.04-25,488.70-10,086.54

Finding the Fourth Proportional to 18,470.04, 25,488.70 and 10,086.54

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Solution

The fourth proportional to 18,470.04, 25,488.70 and 10,086.54 is: 13,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.04 : 25,488.70 = 10,086.54 : x
  2. Step 2: Convert to fraction form
    18,470.04/25,488.70 = 10,086.54/x
  3. Step 3: Cross multiply
    18,470.04x = 25,488.70 × 10,086.54
  4. Step 4: Simplify right side
    18,470.04x = 257,092,792.10
  5. Step 5: Solve for x
    x = 257,092,792.10/18,470.04
  6. Step 6: Final answer
    x = 13,919.45

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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.