Home / 26,901.30-40,323.15-12,107.70

Finding the Fourth Proportional to 26,901.30, 40,323.15 and 12,107.70

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Solution

The fourth proportional to 26,901.30, 40,323.15 and 12,107.70 is: 18,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.30 : 40,323.15 = 12,107.70 : x
  2. Step 2: Convert to fraction form
    26,901.30/40,323.15 = 12,107.70/x
  3. Step 3: Cross multiply
    26,901.30x = 40,323.15 × 12,107.70
  4. Step 4: Simplify right side
    26,901.30x = 488,220,603.26
  5. Step 5: Solve for x
    x = 488,220,603.26/26,901.30
  6. Step 6: Final answer
    x = 18,148.59

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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.