Home / 18,377.94-25,357.66-10,821.52

Finding the Fourth Proportional to 18,377.94, 25,357.66 and 10,821.52

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Solution

The fourth proportional to 18,377.94, 25,357.66 and 10,821.52 is: 14,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.94 : 25,357.66 = 10,821.52 : x
  2. Step 2: Convert to fraction form
    18,377.94/25,357.66 = 10,821.52/x
  3. Step 3: Cross multiply
    18,377.94x = 25,357.66 × 10,821.52
  4. Step 4: Simplify right side
    18,377.94x = 274,408,243.95
  5. Step 5: Solve for x
    x = 274,408,243.95/18,377.94
  6. Step 6: Final answer
    x = 14,931.39

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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.