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Finding the Fourth Proportional to 15,952.16, 22,012.71 and 9,238.22

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Solution

The fourth proportional to 15,952.16, 22,012.71 and 9,238.22 is: 12,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.16 : 22,012.71 = 9,238.22 : x
  2. Step 2: Convert to fraction form
    15,952.16/22,012.71 = 9,238.22/x
  3. Step 3: Cross multiply
    15,952.16x = 22,012.71 × 9,238.22
  4. Step 4: Simplify right side
    15,952.16x = 203,358,257.78
  5. Step 5: Solve for x
    x = 203,358,257.78/15,952.16
  6. Step 6: Final answer
    x = 12,748.01

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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.