Home / 15,953.64-22,015.17-9,238.74

Finding the Fourth Proportional to 15,953.64, 22,015.17 and 9,238.74

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Solution

The fourth proportional to 15,953.64, 22,015.17 and 9,238.74 is: 12,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.64 : 22,015.17 = 9,238.74 : x
  2. Step 2: Convert to fraction form
    15,953.64/22,015.17 = 9,238.74/x
  3. Step 3: Cross multiply
    15,953.64x = 22,015.17 × 9,238.74
  4. Step 4: Simplify right side
    15,953.64x = 203,392,431.69
  5. Step 5: Solve for x
    x = 203,392,431.69/15,953.64
  6. Step 6: Final answer
    x = 12,748.97

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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.