Home / 15,621.84-23,439.12-8,232.81

Finding the Fourth Proportional to 15,621.84, 23,439.12 and 8,232.81

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Solution

The fourth proportional to 15,621.84, 23,439.12 and 8,232.81 is: 12,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.84 : 23,439.12 = 8,232.81 : x
  2. Step 2: Convert to fraction form
    15,621.84/23,439.12 = 8,232.81/x
  3. Step 3: Cross multiply
    15,621.84x = 23,439.12 × 8,232.81
  4. Step 4: Simplify right side
    15,621.84x = 192,969,821.53
  5. Step 5: Solve for x
    x = 192,969,821.53/15,621.84
  6. Step 6: Final answer
    x = 12,352.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.