Home / 15,794.13-21,795.30-9,505.29

Finding the Fourth Proportional to 15,794.13, 21,795.30 and 9,505.29

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Solution

The fourth proportional to 15,794.13, 21,795.30 and 9,505.29 is: 13,116.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.13 : 21,795.30 = 9,505.29 : x
  2. Step 2: Convert to fraction form
    15,794.13/21,795.30 = 9,505.29/x
  3. Step 3: Cross multiply
    15,794.13x = 21,795.30 × 9,505.29
  4. Step 4: Simplify right side
    15,794.13x = 207,170,647.14
  5. Step 5: Solve for x
    x = 207,170,647.14/15,794.13
  6. Step 6: Final answer
    x = 13,116.94

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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.