Home / 19,068.80-28,599.70-5,217.68

Finding the Fourth Proportional to 19,068.80, 28,599.70 and 5,217.68

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Solution

The fourth proportional to 19,068.80, 28,599.70 and 5,217.68 is: 7,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.80 : 28,599.70 = 5,217.68 : x
  2. Step 2: Convert to fraction form
    19,068.80/28,599.70 = 5,217.68/x
  3. Step 3: Cross multiply
    19,068.80x = 28,599.70 × 5,217.68
  4. Step 4: Simplify right side
    19,068.80x = 149,224,082.70
  5. Step 5: Solve for x
    x = 149,224,082.70/19,068.80
  6. Step 6: Final answer
    x = 7,825.56

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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.