Home / 17,730.52-26,612.28-8,971.66

Finding the Fourth Proportional to 17,730.52, 26,612.28 and 8,971.66

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Solution

The fourth proportional to 17,730.52, 26,612.28 and 8,971.66 is: 13,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,730.52 : 26,612.28 = 8,971.66 : x
  2. Step 2: Convert to fraction form
    17,730.52/26,612.28 = 8,971.66/x
  3. Step 3: Cross multiply
    17,730.52x = 26,612.28 × 8,971.66
  4. Step 4: Simplify right side
    17,730.52x = 238,756,327.98
  5. Step 5: Solve for x
    x = 238,756,327.98/17,730.52
  6. Step 6: Final answer
    x = 13,465.84

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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.