Home / 19,298.52-28,952.10-8,214.66

Finding the Fourth Proportional to 19,298.52, 28,952.10 and 8,214.66

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Solution

The fourth proportional to 19,298.52, 28,952.10 and 8,214.66 is: 12,323.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.52 : 28,952.10 = 8,214.66 : x
  2. Step 2: Convert to fraction form
    19,298.52/28,952.10 = 8,214.66/x
  3. Step 3: Cross multiply
    19,298.52x = 28,952.10 × 8,214.66
  4. Step 4: Simplify right side
    19,298.52x = 237,831,657.79
  5. Step 5: Solve for x
    x = 237,831,657.79/19,298.52
  6. Step 6: Final answer
    x = 12,323.83

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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.