Home / 15,576.24-21,494.48-8,502.60

Finding the Fourth Proportional to 15,576.24, 21,494.48 and 8,502.60

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Solution

The fourth proportional to 15,576.24, 21,494.48 and 8,502.60 is: 11,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.24 : 21,494.48 = 8,502.60 : x
  2. Step 2: Convert to fraction form
    15,576.24/21,494.48 = 8,502.60/x
  3. Step 3: Cross multiply
    15,576.24x = 21,494.48 × 8,502.60
  4. Step 4: Simplify right side
    15,576.24x = 182,758,965.65
  5. Step 5: Solve for x
    x = 182,758,965.65/15,576.24
  6. Step 6: Final answer
    x = 11,733.19

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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.