Home / 15,922.39-21,973.11-9,634.76

Finding the Fourth Proportional to 15,922.39, 21,973.11 and 9,634.76

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Solution

The fourth proportional to 15,922.39, 21,973.11 and 9,634.76 is: 13,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.39 : 21,973.11 = 9,634.76 : x
  2. Step 2: Convert to fraction form
    15,922.39/21,973.11 = 9,634.76/x
  3. Step 3: Cross multiply
    15,922.39x = 21,973.11 × 9,634.76
  4. Step 4: Simplify right side
    15,922.39x = 211,705,641.30
  5. Step 5: Solve for x
    x = 211,705,641.30/15,922.39
  6. Step 6: Final answer
    x = 13,296.10

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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.