Home / 25,455.56-38,168.76-9,854.96

Finding the Fourth Proportional to 25,455.56, 38,168.76 and 9,854.96

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Solution

The fourth proportional to 25,455.56, 38,168.76 and 9,854.96 is: 14,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.56 : 38,168.76 = 9,854.96 : x
  2. Step 2: Convert to fraction form
    25,455.56/38,168.76 = 9,854.96/x
  3. Step 3: Cross multiply
    25,455.56x = 38,168.76 × 9,854.96
  4. Step 4: Simplify right side
    25,455.56x = 376,151,603.05
  5. Step 5: Solve for x
    x = 376,151,603.05/25,455.56
  6. Step 6: Final answer
    x = 14,776.80

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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.