Home / 15,410.23-21,266.15-8,336.65

Finding the Fourth Proportional to 15,410.23, 21,266.15 and 8,336.65

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Solution

The fourth proportional to 15,410.23, 21,266.15 and 8,336.65 is: 11,504.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.23 : 21,266.15 = 8,336.65 : x
  2. Step 2: Convert to fraction form
    15,410.23/21,266.15 = 8,336.65/x
  3. Step 3: Cross multiply
    15,410.23x = 21,266.15 × 8,336.65
  4. Step 4: Simplify right side
    15,410.23x = 177,288,378.00
  5. Step 5: Solve for x
    x = 177,288,378.00/15,410.23
  6. Step 6: Final answer
    x = 11,504.59

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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.