Home / 18,336.47-25,303.45-11,261.53

Finding the Fourth Proportional to 18,336.47, 25,303.45 and 11,261.53

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Solution

The fourth proportional to 18,336.47, 25,303.45 and 11,261.53 is: 15,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.47 : 25,303.45 = 11,261.53 : x
  2. Step 2: Convert to fraction form
    18,336.47/25,303.45 = 11,261.53/x
  3. Step 3: Cross multiply
    18,336.47x = 25,303.45 × 11,261.53
  4. Step 4: Simplify right side
    18,336.47x = 284,955,443.54
  5. Step 5: Solve for x
    x = 284,955,443.54/18,336.47
  6. Step 6: Final answer
    x = 15,540.36

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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.