Home / 26,529.74-39,780.92-7,807.35

Finding the Fourth Proportional to 26,529.74, 39,780.92 and 7,807.35

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Solution

The fourth proportional to 26,529.74, 39,780.92 and 7,807.35 is: 11,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.74 : 39,780.92 = 7,807.35 : x
  2. Step 2: Convert to fraction form
    26,529.74/39,780.92 = 7,807.35/x
  3. Step 3: Cross multiply
    26,529.74x = 39,780.92 × 7,807.35
  4. Step 4: Simplify right side
    26,529.74x = 310,583,349.40
  5. Step 5: Solve for x
    x = 310,583,349.40/26,529.74
  6. Step 6: Final answer
    x = 11,706.99

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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.