Home / 18,518.28-25,524.10-14,040.52

Finding the Fourth Proportional to 18,518.28, 25,524.10 and 14,040.52

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Solution

The fourth proportional to 18,518.28, 25,524.10 and 14,040.52 is: 19,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.28 : 25,524.10 = 14,040.52 : x
  2. Step 2: Convert to fraction form
    18,518.28/25,524.10 = 14,040.52/x
  3. Step 3: Cross multiply
    18,518.28x = 25,524.10 × 14,040.52
  4. Step 4: Simplify right side
    18,518.28x = 358,371,636.53
  5. Step 5: Solve for x
    x = 358,371,636.53/18,518.28
  6. Step 6: Final answer
    x = 19,352.32

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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.