Home / 14,812.25-20,440.90-8,097.91

Finding the Fourth Proportional to 14,812.25, 20,440.90 and 8,097.91

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Solution

The fourth proportional to 14,812.25, 20,440.90 and 8,097.91 is: 11,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.25 : 20,440.90 = 8,097.91 : x
  2. Step 2: Convert to fraction form
    14,812.25/20,440.90 = 8,097.91/x
  3. Step 3: Cross multiply
    14,812.25x = 20,440.90 × 8,097.91
  4. Step 4: Simplify right side
    14,812.25x = 165,528,466.31
  5. Step 5: Solve for x
    x = 165,528,466.31/14,812.25
  6. Step 6: Final answer
    x = 11,175.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.