Home / 26,139.85-36,065.04-14,807.54

Finding the Fourth Proportional to 26,139.85, 36,065.04 and 14,807.54

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Solution

The fourth proportional to 26,139.85, 36,065.04 and 14,807.54 is: 20,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,139.85 : 36,065.04 = 14,807.54 : x
  2. Step 2: Convert to fraction form
    26,139.85/36,065.04 = 14,807.54/x
  3. Step 3: Cross multiply
    26,139.85x = 36,065.04 × 14,807.54
  4. Step 4: Simplify right side
    26,139.85x = 534,034,522.40
  5. Step 5: Solve for x
    x = 534,034,522.40/26,139.85
  6. Step 6: Final answer
    x = 20,429.90

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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.