Home / 18,258.80-25,207.92-11,550.32

Finding the Fourth Proportional to 18,258.80, 25,207.92 and 11,550.32

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Solution

The fourth proportional to 18,258.80, 25,207.92 and 11,550.32 is: 15,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.80 : 25,207.92 = 11,550.32 : x
  2. Step 2: Convert to fraction form
    18,258.80/25,207.92 = 11,550.32/x
  3. Step 3: Cross multiply
    18,258.80x = 25,207.92 × 11,550.32
  4. Step 4: Simplify right side
    18,258.80x = 291,159,542.53
  5. Step 5: Solve for x
    x = 291,159,542.53/18,258.80
  6. Step 6: Final answer
    x = 15,946.26

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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.