Home / 15,867.08-21,895.50-8,793.26

Finding the Fourth Proportional to 15,867.08, 21,895.50 and 8,793.26

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Solution

The fourth proportional to 15,867.08, 21,895.50 and 8,793.26 is: 12,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,867.08 : 21,895.50 = 8,793.26 : x
  2. Step 2: Convert to fraction form
    15,867.08/21,895.50 = 8,793.26/x
  3. Step 3: Cross multiply
    15,867.08x = 21,895.50 × 8,793.26
  4. Step 4: Simplify right side
    15,867.08x = 192,532,824.33
  5. Step 5: Solve for x
    x = 192,532,824.33/15,867.08
  6. Step 6: Final answer
    x = 12,134.11

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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.