Home / 26,104.80-36,000.12-20,127

Finding the Fourth Proportional to 26,104.80, 36,000.12 and 20,127

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Solution

The fourth proportional to 26,104.80, 36,000.12 and 20,127 is: 27,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,104.80 : 36,000.12 = 20,127 : x
  2. Step 2: Convert to fraction form
    26,104.80/36,000.12 = 20,127/x
  3. Step 3: Cross multiply
    26,104.80x = 36,000.12 × 20,127
  4. Step 4: Simplify right side
    26,104.80x = 724,574,415.24
  5. Step 5: Solve for x
    x = 724,574,415.24/26,104.80
  6. Step 6: Final answer
    x = 27,756.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.