Home / 25,412.18-38,115.39-6,693.68

Finding the Fourth Proportional to 25,412.18, 38,115.39 and 6,693.68

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Solution

The fourth proportional to 25,412.18, 38,115.39 and 6,693.68 is: 10,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.18 : 38,115.39 = 6,693.68 : x
  2. Step 2: Convert to fraction form
    25,412.18/38,115.39 = 6,693.68/x
  3. Step 3: Cross multiply
    25,412.18x = 38,115.39 × 6,693.68
  4. Step 4: Simplify right side
    25,412.18x = 255,132,319.02
  5. Step 5: Solve for x
    x = 255,132,319.02/25,412.18
  6. Step 6: Final answer
    x = 10,039.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.