Home / 15,942.26-21,994.20-10,276.58

Finding the Fourth Proportional to 15,942.26, 21,994.20 and 10,276.58

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Solution

The fourth proportional to 15,942.26, 21,994.20 and 10,276.58 is: 14,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.26 : 21,994.20 = 10,276.58 : x
  2. Step 2: Convert to fraction form
    15,942.26/21,994.20 = 10,276.58/x
  3. Step 3: Cross multiply
    15,942.26x = 21,994.20 × 10,276.58
  4. Step 4: Simplify right side
    15,942.26x = 226,025,155.84
  5. Step 5: Solve for x
    x = 226,025,155.84/15,942.26
  6. Step 6: Final answer
    x = 14,177.74

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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.