Home / 18,124.47-25,016.22-11,056.80

Finding the Fourth Proportional to 18,124.47, 25,016.22 and 11,056.80

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Solution

The fourth proportional to 18,124.47, 25,016.22 and 11,056.80 is: 15,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.47 : 25,016.22 = 11,056.80 : x
  2. Step 2: Convert to fraction form
    18,124.47/25,016.22 = 11,056.80/x
  3. Step 3: Cross multiply
    18,124.47x = 25,016.22 × 11,056.80
  4. Step 4: Simplify right side
    18,124.47x = 276,599,341.30
  5. Step 5: Solve for x
    x = 276,599,341.30/18,124.47
  6. Step 6: Final answer
    x = 15,261.10

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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.