Home / 18,297.15-25,248.75-10,743.81

Finding the Fourth Proportional to 18,297.15, 25,248.75 and 10,743.81

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Solution

The fourth proportional to 18,297.15, 25,248.75 and 10,743.81 is: 14,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.15 : 25,248.75 = 10,743.81 : x
  2. Step 2: Convert to fraction form
    18,297.15/25,248.75 = 10,743.81/x
  3. Step 3: Cross multiply
    18,297.15x = 25,248.75 × 10,743.81
  4. Step 4: Simplify right side
    18,297.15x = 271,267,772.74
  5. Step 5: Solve for x
    x = 271,267,772.74/18,297.15
  6. Step 6: Final answer
    x = 14,825.68

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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.