Home / 26,886.76-40,325.58-7,167.40

Finding the Fourth Proportional to 26,886.76, 40,325.58 and 7,167.40

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Solution

The fourth proportional to 26,886.76, 40,325.58 and 7,167.40 is: 10,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,886.76 : 40,325.58 = 7,167.40 : x
  2. Step 2: Convert to fraction form
    26,886.76/40,325.58 = 7,167.40/x
  3. Step 3: Cross multiply
    26,886.76x = 40,325.58 × 7,167.40
  4. Step 4: Simplify right side
    26,886.76x = 289,029,562.09
  5. Step 5: Solve for x
    x = 289,029,562.09/26,886.76
  6. Step 6: Final answer
    x = 10,749.88

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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.