Home / 15,468.51-21,346.56-8,394.96

Finding the Fourth Proportional to 15,468.51, 21,346.56 and 8,394.96

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Solution

The fourth proportional to 15,468.51, 21,346.56 and 8,394.96 is: 11,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.51 : 21,346.56 = 8,394.96 : x
  2. Step 2: Convert to fraction form
    15,468.51/21,346.56 = 8,394.96/x
  3. Step 3: Cross multiply
    15,468.51x = 21,346.56 × 8,394.96
  4. Step 4: Simplify right side
    15,468.51x = 179,203,517.34
  5. Step 5: Solve for x
    x = 179,203,517.34/15,468.51
  6. Step 6: Final answer
    x = 11,585.05

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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.