Home / 26,129.30-39,182.61-9,483.80

Finding the Fourth Proportional to 26,129.30, 39,182.61 and 9,483.80

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Solution

The fourth proportional to 26,129.30, 39,182.61 and 9,483.80 is: 14,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.30 : 39,182.61 = 9,483.80 : x
  2. Step 2: Convert to fraction form
    26,129.30/39,182.61 = 9,483.80/x
  3. Step 3: Cross multiply
    26,129.30x = 39,182.61 × 9,483.80
  4. Step 4: Simplify right side
    26,129.30x = 371,600,036.72
  5. Step 5: Solve for x
    x = 371,600,036.72/26,129.30
  6. Step 6: Final answer
    x = 14,221.58

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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.