Home / 15,694.75-21,650.71-10,023.53

Finding the Fourth Proportional to 15,694.75, 21,650.71 and 10,023.53

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Solution

The fourth proportional to 15,694.75, 21,650.71 and 10,023.53 is: 13,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694.75 : 21,650.71 = 10,023.53 : x
  2. Step 2: Convert to fraction form
    15,694.75/21,650.71 = 10,023.53/x
  3. Step 3: Cross multiply
    15,694.75x = 21,650.71 × 10,023.53
  4. Step 4: Simplify right side
    15,694.75x = 217,016,541.21
  5. Step 5: Solve for x
    x = 217,016,541.21/15,694.75
  6. Step 6: Final answer
    x = 13,827.33

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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.