Home / 26,429.76-39,646.08-10,843.20

Finding the Fourth Proportional to 26,429.76, 39,646.08 and 10,843.20

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Solution

The fourth proportional to 26,429.76, 39,646.08 and 10,843.20 is: 16,265.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.76 : 39,646.08 = 10,843.20 : x
  2. Step 2: Convert to fraction form
    26,429.76/39,646.08 = 10,843.20/x
  3. Step 3: Cross multiply
    26,429.76x = 39,646.08 × 10,843.20
  4. Step 4: Simplify right side
    26,429.76x = 429,890,374.66
  5. Step 5: Solve for x
    x = 429,890,374.66/26,429.76
  6. Step 6: Final answer
    x = 16,265.39

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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.