Home / 12,556.59-18,822.65-5,981.01

Finding the Fourth Proportional to 12,556.59, 18,822.65 and 5,981.01

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Solution

The fourth proportional to 12,556.59, 18,822.65 and 5,981.01 is: 8,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556.59 : 18,822.65 = 5,981.01 : x
  2. Step 2: Convert to fraction form
    12,556.59/18,822.65 = 5,981.01/x
  3. Step 3: Cross multiply
    12,556.59x = 18,822.65 × 5,981.01
  4. Step 4: Simplify right side
    12,556.59x = 112,578,427.97
  5. Step 5: Solve for x
    x = 112,578,427.97/12,556.59
  6. Step 6: Final answer
    x = 8,965.68

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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.