Home / 27,130.80-40,690.05-9,600.63

Finding the Fourth Proportional to 27,130.80, 40,690.05 and 9,600.63

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Solution

The fourth proportional to 27,130.80, 40,690.05 and 9,600.63 is: 14,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.80 : 40,690.05 = 9,600.63 : x
  2. Step 2: Convert to fraction form
    27,130.80/40,690.05 = 9,600.63/x
  3. Step 3: Cross multiply
    27,130.80x = 40,690.05 × 9,600.63
  4. Step 4: Simplify right side
    27,130.80x = 390,649,926.14
  5. Step 5: Solve for x
    x = 390,649,926.14/27,130.80
  6. Step 6: Final answer
    x = 14,398.76

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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.