Home / 14,098.64-21,148.53-7,898.15

Finding the Fourth Proportional to 14,098.64, 21,148.53 and 7,898.15

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Solution

The fourth proportional to 14,098.64, 21,148.53 and 7,898.15 is: 11,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.64 : 21,148.53 = 7,898.15 : x
  2. Step 2: Convert to fraction form
    14,098.64/21,148.53 = 7,898.15/x
  3. Step 3: Cross multiply
    14,098.64x = 21,148.53 × 7,898.15
  4. Step 4: Simplify right side
    14,098.64x = 167,034,285.47
  5. Step 5: Solve for x
    x = 167,034,285.47/14,098.64
  6. Step 6: Final answer
    x = 11,847.55

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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.