Home / 19,025.68-28,535.28-5,174.68

Finding the Fourth Proportional to 19,025.68, 28,535.28 and 5,174.68

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Solution

The fourth proportional to 19,025.68, 28,535.28 and 5,174.68 is: 7,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.68 : 28,535.28 = 5,174.68 : x
  2. Step 2: Convert to fraction form
    19,025.68/28,535.28 = 5,174.68/x
  3. Step 3: Cross multiply
    19,025.68x = 28,535.28 × 5,174.68
  4. Step 4: Simplify right side
    19,025.68x = 147,660,942.71
  5. Step 5: Solve for x
    x = 147,660,942.71/19,025.68
  6. Step 6: Final answer
    x = 7,761.14

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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.