Home / 15,576.68-21,495.66-9,605.96

Finding the Fourth Proportional to 15,576.68, 21,495.66 and 9,605.96

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Solution

The fourth proportional to 15,576.68, 21,495.66 and 9,605.96 is: 13,256.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.68 : 21,495.66 = 9,605.96 : x
  2. Step 2: Convert to fraction form
    15,576.68/21,495.66 = 9,605.96/x
  3. Step 3: Cross multiply
    15,576.68x = 21,495.66 × 9,605.96
  4. Step 4: Simplify right side
    15,576.68x = 206,486,342.66
  5. Step 5: Solve for x
    x = 206,486,342.66/15,576.68
  6. Step 6: Final answer
    x = 13,256.12

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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.