Home / 18,454.88-25,467.75-10,071.38

Finding the Fourth Proportional to 18,454.88, 25,467.75 and 10,071.38

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Solution

The fourth proportional to 18,454.88, 25,467.75 and 10,071.38 is: 13,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.88 : 25,467.75 = 10,071.38 : x
  2. Step 2: Convert to fraction form
    18,454.88/25,467.75 = 10,071.38/x
  3. Step 3: Cross multiply
    18,454.88x = 25,467.75 × 10,071.38
  4. Step 4: Simplify right side
    18,454.88x = 256,495,260.66
  5. Step 5: Solve for x
    x = 256,495,260.66/18,454.88
  6. Step 6: Final answer
    x = 13,898.51

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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.