Home / 18,319.66-25,280.24-10,361.71

Finding the Fourth Proportional to 18,319.66, 25,280.24 and 10,361.71

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Solution

The fourth proportional to 18,319.66, 25,280.24 and 10,361.71 is: 14,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.66 : 25,280.24 = 10,361.71 : x
  2. Step 2: Convert to fraction form
    18,319.66/25,280.24 = 10,361.71/x
  3. Step 3: Cross multiply
    18,319.66x = 25,280.24 × 10,361.71
  4. Step 4: Simplify right side
    18,319.66x = 261,946,495.40
  5. Step 5: Solve for x
    x = 261,946,495.40/18,319.66
  6. Step 6: Final answer
    x = 14,298.66

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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.