Home / 18,666.83-25,724.78-13,352.42

Finding the Fourth Proportional to 18,666.83, 25,724.78 and 13,352.42

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Solution

The fourth proportional to 18,666.83, 25,724.78 and 13,352.42 is: 18,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.83 : 25,724.78 = 13,352.42 : x
  2. Step 2: Convert to fraction form
    18,666.83/25,724.78 = 13,352.42/x
  3. Step 3: Cross multiply
    18,666.83x = 25,724.78 × 13,352.42
  4. Step 4: Simplify right side
    18,666.83x = 343,487,871.58
  5. Step 5: Solve for x
    x = 343,487,871.58/18,666.83
  6. Step 6: Final answer
    x = 18,400.98

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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.