Home / 15,968.29-22,036.92-8,894.72

Finding the Fourth Proportional to 15,968.29, 22,036.92 and 8,894.72

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Solution

The fourth proportional to 15,968.29, 22,036.92 and 8,894.72 is: 12,275.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.29 : 22,036.92 = 8,894.72 : x
  2. Step 2: Convert to fraction form
    15,968.29/22,036.92 = 8,894.72/x
  3. Step 3: Cross multiply
    15,968.29x = 22,036.92 × 8,894.72
  4. Step 4: Simplify right side
    15,968.29x = 196,012,122.88
  5. Step 5: Solve for x
    x = 196,012,122.88/15,968.29
  6. Step 6: Final answer
    x = 12,275.09

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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.