Home / 28,216.62-42,329.41-11,349.59

Finding the Fourth Proportional to 28,216.62, 42,329.41 and 11,349.59

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Solution

The fourth proportional to 28,216.62, 42,329.41 and 11,349.59 is: 17,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.62 : 42,329.41 = 11,349.59 : x
  2. Step 2: Convert to fraction form
    28,216.62/42,329.41 = 11,349.59/x
  3. Step 3: Cross multiply
    28,216.62x = 42,329.41 × 11,349.59
  4. Step 4: Simplify right side
    28,216.62x = 480,421,208.42
  5. Step 5: Solve for x
    x = 480,421,208.42/28,216.62
  6. Step 6: Final answer
    x = 17,026.18

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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.