Home / 15,560.87-21,467.05-9,590.36

Finding the Fourth Proportional to 15,560.87, 21,467.05 and 9,590.36

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Solution

The fourth proportional to 15,560.87, 21,467.05 and 9,590.36 is: 13,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.87 : 21,467.05 = 9,590.36 : x
  2. Step 2: Convert to fraction form
    15,560.87/21,467.05 = 9,590.36/x
  3. Step 3: Cross multiply
    15,560.87x = 21,467.05 × 9,590.36
  4. Step 4: Simplify right side
    15,560.87x = 205,876,606.33
  5. Step 5: Solve for x
    x = 205,876,606.33/15,560.87
  6. Step 6: Final answer
    x = 13,230.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.