Home / 26,925.87-40,390.80-8,207.52

Finding the Fourth Proportional to 26,925.87, 40,390.80 and 8,207.52

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Solution

The fourth proportional to 26,925.87, 40,390.80 and 8,207.52 is: 12,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,925.87 : 40,390.80 = 8,207.52 : x
  2. Step 2: Convert to fraction form
    26,925.87/40,390.80 = 8,207.52/x
  3. Step 3: Cross multiply
    26,925.87x = 40,390.80 × 8,207.52
  4. Step 4: Simplify right side
    26,925.87x = 331,508,298.82
  5. Step 5: Solve for x
    x = 331,508,298.82/26,925.87
  6. Step 6: Final answer
    x = 12,311.89

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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.