Home / 26,255.60-39,347.40-16,866.80

Finding the Fourth Proportional to 26,255.60, 39,347.40 and 16,866.80

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Solution

The fourth proportional to 26,255.60, 39,347.40 and 16,866.80 is: 25,277.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.60 : 39,347.40 = 16,866.80 : x
  2. Step 2: Convert to fraction form
    26,255.60/39,347.40 = 16,866.80/x
  3. Step 3: Cross multiply
    26,255.60x = 39,347.40 × 16,866.80
  4. Step 4: Simplify right side
    26,255.60x = 663,664,726.32
  5. Step 5: Solve for x
    x = 663,664,726.32/26,255.60
  6. Step 6: Final answer
    x = 25,277.07

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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.