Home / 26,666.70-40,032.45-13,512.30

Finding the Fourth Proportional to 26,666.70, 40,032.45 and 13,512.30

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Solution

The fourth proportional to 26,666.70, 40,032.45 and 13,512.30 is: 20,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,666.70 : 40,032.45 = 13,512.30 : x
  2. Step 2: Convert to fraction form
    26,666.70/40,032.45 = 13,512.30/x
  3. Step 3: Cross multiply
    26,666.70x = 40,032.45 × 13,512.30
  4. Step 4: Simplify right side
    26,666.70x = 540,930,474.14
  5. Step 5: Solve for x
    x = 540,930,474.14/26,666.70
  6. Step 6: Final answer
    x = 20,284.87

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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.