Home / 28,155.33-42,232.19-7,095.33

Finding the Fourth Proportional to 28,155.33, 42,232.19 and 7,095.33

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Solution

The fourth proportional to 28,155.33, 42,232.19 and 7,095.33 is: 10,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,155.33 : 42,232.19 = 7,095.33 : x
  2. Step 2: Convert to fraction form
    28,155.33/42,232.19 = 7,095.33/x
  3. Step 3: Cross multiply
    28,155.33x = 42,232.19 × 7,095.33
  4. Step 4: Simplify right side
    28,155.33x = 299,651,289.20
  5. Step 5: Solve for x
    x = 299,651,289.20/28,155.33
  6. Step 6: Final answer
    x = 10,642.79

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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.