Home / 18,535.68-25,569.60-11,367.28

Finding the Fourth Proportional to 18,535.68, 25,569.60 and 11,367.28

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Solution

The fourth proportional to 18,535.68, 25,569.60 and 11,367.28 is: 15,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.68 : 25,569.60 = 11,367.28 : x
  2. Step 2: Convert to fraction form
    18,535.68/25,569.60 = 11,367.28/x
  3. Step 3: Cross multiply
    18,535.68x = 25,569.60 × 11,367.28
  4. Step 4: Simplify right side
    18,535.68x = 290,656,802.69
  5. Step 5: Solve for x
    x = 290,656,802.69/18,535.68
  6. Step 6: Final answer
    x = 15,680.94

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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.