Home / 28,542.69-42,833.51-10,074.69

Finding the Fourth Proportional to 28,542.69, 42,833.51 and 10,074.69

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Solution

The fourth proportional to 28,542.69, 42,833.51 and 10,074.69 is: 15,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.69 : 42,833.51 = 10,074.69 : x
  2. Step 2: Convert to fraction form
    28,542.69/42,833.51 = 10,074.69/x
  3. Step 3: Cross multiply
    28,542.69x = 42,833.51 × 10,074.69
  4. Step 4: Simplify right side
    28,542.69x = 431,534,334.86
  5. Step 5: Solve for x
    x = 431,534,334.86/28,542.69
  6. Step 6: Final answer
    x = 15,118.91

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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.