Home / 18,033.18-24,860.70-15,541.80

Finding the Fourth Proportional to 18,033.18, 24,860.70 and 15,541.80

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Solution

The fourth proportional to 18,033.18, 24,860.70 and 15,541.80 is: 21,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.18 : 24,860.70 = 15,541.80 : x
  2. Step 2: Convert to fraction form
    18,033.18/24,860.70 = 15,541.80/x
  3. Step 3: Cross multiply
    18,033.18x = 24,860.70 × 15,541.80
  4. Step 4: Simplify right side
    18,033.18x = 386,380,027.26
  5. Step 5: Solve for x
    x = 386,380,027.26/18,033.18
  6. Step 6: Final answer
    x = 21,426.06

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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.