Home / 18,880.67-28,319.17-5,733.15

Finding the Fourth Proportional to 18,880.67, 28,319.17 and 5,733.15

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Solution

The fourth proportional to 18,880.67, 28,319.17 and 5,733.15 is: 8,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.67 : 28,319.17 = 5,733.15 : x
  2. Step 2: Convert to fraction form
    18,880.67/28,319.17 = 5,733.15/x
  3. Step 3: Cross multiply
    18,880.67x = 28,319.17 × 5,733.15
  4. Step 4: Simplify right side
    18,880.67x = 162,358,020.82
  5. Step 5: Solve for x
    x = 162,358,020.82/18,880.67
  6. Step 6: Final answer
    x = 8,599.17

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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.