Home / 15,983.52-22,055.18-9,267.72

Finding the Fourth Proportional to 15,983.52, 22,055.18 and 9,267.72

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Solution

The fourth proportional to 15,983.52, 22,055.18 and 9,267.72 is: 12,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.52 : 22,055.18 = 9,267.72 : x
  2. Step 2: Convert to fraction form
    15,983.52/22,055.18 = 9,267.72/x
  3. Step 3: Cross multiply
    15,983.52x = 22,055.18 × 9,267.72
  4. Step 4: Simplify right side
    15,983.52x = 204,401,232.79
  5. Step 5: Solve for x
    x = 204,401,232.79/15,983.52
  6. Step 6: Final answer
    x = 12,788.25

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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.