Home / 26,883.12-40,298.40-12,095.76

Finding the Fourth Proportional to 26,883.12, 40,298.40 and 12,095.76

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Solution

The fourth proportional to 26,883.12, 40,298.40 and 12,095.76 is: 18,131.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883.12 : 40,298.40 = 12,095.76 : x
  2. Step 2: Convert to fraction form
    26,883.12/40,298.40 = 12,095.76/x
  3. Step 3: Cross multiply
    26,883.12x = 40,298.40 × 12,095.76
  4. Step 4: Simplify right side
    26,883.12x = 487,439,774.78
  5. Step 5: Solve for x
    x = 487,439,774.78/26,883.12
  6. Step 6: Final answer
    x = 18,131.82

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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.