Home / 15,468.92-21,346.99-8,395.35

Finding the Fourth Proportional to 15,468.92, 21,346.99 and 8,395.35

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Solution

The fourth proportional to 15,468.92, 21,346.99 and 8,395.35 is: 11,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.92 : 21,346.99 = 8,395.35 : x
  2. Step 2: Convert to fraction form
    15,468.92/21,346.99 = 8,395.35/x
  3. Step 3: Cross multiply
    15,468.92x = 21,346.99 × 8,395.35
  4. Step 4: Simplify right side
    15,468.92x = 179,215,452.50
  5. Step 5: Solve for x
    x = 179,215,452.50/15,468.92
  6. Step 6: Final answer
    x = 11,585.52

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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.