Home / 18,293.37-25,244.99-9,909.93

Finding the Fourth Proportional to 18,293.37, 25,244.99 and 9,909.93

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Solution

The fourth proportional to 18,293.37, 25,244.99 and 9,909.93 is: 13,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.37 : 25,244.99 = 9,909.93 : x
  2. Step 2: Convert to fraction form
    18,293.37/25,244.99 = 9,909.93/x
  3. Step 3: Cross multiply
    18,293.37x = 25,244.99 × 9,909.93
  4. Step 4: Simplify right side
    18,293.37x = 250,176,034.20
  5. Step 5: Solve for x
    x = 250,176,034.20/18,293.37
  6. Step 6: Final answer
    x = 13,675.78

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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.