Home / 15,983.99-22,060.65-9,271.72

Finding the Fourth Proportional to 15,983.99, 22,060.65 and 9,271.72

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Solution

The fourth proportional to 15,983.99, 22,060.65 and 9,271.72 is: 12,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.99 : 22,060.65 = 9,271.72 : x
  2. Step 2: Convert to fraction form
    15,983.99/22,060.65 = 9,271.72/x
  3. Step 3: Cross multiply
    15,983.99x = 22,060.65 × 9,271.72
  4. Step 4: Simplify right side
    15,983.99x = 204,540,169.82
  5. Step 5: Solve for x
    x = 204,540,169.82/15,983.99
  6. Step 6: Final answer
    x = 12,796.57

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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.