Home / 18,319.52-25,280.93-10,361.57

Finding the Fourth Proportional to 18,319.52, 25,280.93 and 10,361.57

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Solution

The fourth proportional to 18,319.52, 25,280.93 and 10,361.57 is: 14,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.52 : 25,280.93 = 10,361.57 : x
  2. Step 2: Convert to fraction form
    18,319.52/25,280.93 = 10,361.57/x
  3. Step 3: Cross multiply
    18,319.52x = 25,280.93 × 10,361.57
  4. Step 4: Simplify right side
    18,319.52x = 261,950,125.86
  5. Step 5: Solve for x
    x = 261,950,125.86/18,319.52
  6. Step 6: Final answer
    x = 14,298.96

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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.