Home / 15,576.10-21,495.01-8,502.52

Finding the Fourth Proportional to 15,576.10, 21,495.01 and 8,502.52

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Solution

The fourth proportional to 15,576.10, 21,495.01 and 8,502.52 is: 11,733.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.10 : 21,495.01 = 8,502.52 : x
  2. Step 2: Convert to fraction form
    15,576.10/21,495.01 = 8,502.52/x
  3. Step 3: Cross multiply
    15,576.10x = 21,495.01 × 8,502.52
  4. Step 4: Simplify right side
    15,576.10x = 182,761,709.91
  5. Step 5: Solve for x
    x = 182,761,709.91/15,576.10
  6. Step 6: Final answer
    x = 11,733.47

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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.