Home / 26,686.62-40,030.65-6,964.74

Finding the Fourth Proportional to 26,686.62, 40,030.65 and 6,964.74

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Solution

The fourth proportional to 26,686.62, 40,030.65 and 6,964.74 is: 10,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,686.62 : 40,030.65 = 6,964.74 : x
  2. Step 2: Convert to fraction form
    26,686.62/40,030.65 = 6,964.74/x
  3. Step 3: Cross multiply
    26,686.62x = 40,030.65 × 6,964.74
  4. Step 4: Simplify right side
    26,686.62x = 278,803,069.28
  5. Step 5: Solve for x
    x = 278,803,069.28/26,686.62
  6. Step 6: Final answer
    x = 10,447.30

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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.