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Finding the Fourth Proportional to 18,521.41, 25,559.50 and 10,023.50

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Solution

The fourth proportional to 18,521.41, 25,559.50 and 10,023.50 is: 13,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.41 : 25,559.50 = 10,023.50 : x
  2. Step 2: Convert to fraction form
    18,521.41/25,559.50 = 10,023.50/x
  3. Step 3: Cross multiply
    18,521.41x = 25,559.50 × 10,023.50
  4. Step 4: Simplify right side
    18,521.41x = 256,195,648.25
  5. Step 5: Solve for x
    x = 256,195,648.25/18,521.41
  6. Step 6: Final answer
    x = 13,832.41

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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.