Home / 18,329.08-25,294.24-9,945.60

Finding the Fourth Proportional to 18,329.08, 25,294.24 and 9,945.60

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Solution

The fourth proportional to 18,329.08, 25,294.24 and 9,945.60 is: 13,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.08 : 25,294.24 = 9,945.60 : x
  2. Step 2: Convert to fraction form
    18,329.08/25,294.24 = 9,945.60/x
  3. Step 3: Cross multiply
    18,329.08x = 25,294.24 × 9,945.60
  4. Step 4: Simplify right side
    18,329.08x = 251,566,393.34
  5. Step 5: Solve for x
    x = 251,566,393.34/18,329.08
  6. Step 6: Final answer
    x = 13,724.99

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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.