Home / 26,079.96-35,990.10-14,143.56

Finding the Fourth Proportional to 26,079.96, 35,990.10 and 14,143.56

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Solution

The fourth proportional to 26,079.96, 35,990.10 and 14,143.56 is: 19,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.96 : 35,990.10 = 14,143.56 : x
  2. Step 2: Convert to fraction form
    26,079.96/35,990.10 = 14,143.56/x
  3. Step 3: Cross multiply
    26,079.96x = 35,990.10 × 14,143.56
  4. Step 4: Simplify right side
    26,079.96x = 509,028,138.76
  5. Step 5: Solve for x
    x = 509,028,138.76/26,079.96
  6. Step 6: Final answer
    x = 19,517.98

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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.