Home / 18,359.08-25,335.66-9,975.58

Finding the Fourth Proportional to 18,359.08, 25,335.66 and 9,975.58

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Solution

The fourth proportional to 18,359.08, 25,335.66 and 9,975.58 is: 13,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.08 : 25,335.66 = 9,975.58 : x
  2. Step 2: Convert to fraction form
    18,359.08/25,335.66 = 9,975.58/x
  3. Step 3: Cross multiply
    18,359.08x = 25,335.66 × 9,975.58
  4. Step 4: Simplify right side
    18,359.08x = 252,737,903.18
  5. Step 5: Solve for x
    x = 252,737,903.18/18,359.08
  6. Step 6: Final answer
    x = 13,766.37

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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.