Home / 14,251.31-21,355.08-8,696.33

Finding the Fourth Proportional to 14,251.31, 21,355.08 and 8,696.33

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Solution

The fourth proportional to 14,251.31, 21,355.08 and 8,696.33 is: 13,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.31 : 21,355.08 = 8,696.33 : x
  2. Step 2: Convert to fraction form
    14,251.31/21,355.08 = 8,696.33/x
  3. Step 3: Cross multiply
    14,251.31x = 21,355.08 × 8,696.33
  4. Step 4: Simplify right side
    14,251.31x = 185,710,716.08
  5. Step 5: Solve for x
    x = 185,710,716.08/14,251.31
  6. Step 6: Final answer
    x = 13,031.14

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1.5x scale

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.