Home / 28,099.25-42,150.49-10,569.23

Finding the Fourth Proportional to 28,099.25, 42,150.49 and 10,569.23

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Solution

The fourth proportional to 28,099.25, 42,150.49 and 10,569.23 is: 15,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.25 : 42,150.49 = 10,569.23 : x
  2. Step 2: Convert to fraction form
    28,099.25/42,150.49 = 10,569.23/x
  3. Step 3: Cross multiply
    28,099.25x = 42,150.49 × 10,569.23
  4. Step 4: Simplify right side
    28,099.25x = 445,498,223.42
  5. Step 5: Solve for x
    x = 445,498,223.42/28,099.25
  6. Step 6: Final answer
    x = 15,854.45

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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.