Home / 16,842.66-25,273.10-6,988.74

Finding the Fourth Proportional to 16,842.66, 25,273.10 and 6,988.74

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Solution

The fourth proportional to 16,842.66, 25,273.10 and 6,988.74 is: 10,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.66 : 25,273.10 = 6,988.74 : x
  2. Step 2: Convert to fraction form
    16,842.66/25,273.10 = 6,988.74/x
  3. Step 3: Cross multiply
    16,842.66x = 25,273.10 × 6,988.74
  4. Step 4: Simplify right side
    16,842.66x = 176,627,124.89
  5. Step 5: Solve for x
    x = 176,627,124.89/16,842.66
  6. Step 6: Final answer
    x = 10,486.89

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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.