Home / 15,669.76-21,624.16-8,596.48

Finding the Fourth Proportional to 15,669.76, 21,624.16 and 8,596.48

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Solution

The fourth proportional to 15,669.76, 21,624.16 and 8,596.48 is: 11,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.76 : 21,624.16 = 8,596.48 : x
  2. Step 2: Convert to fraction form
    15,669.76/21,624.16 = 8,596.48/x
  3. Step 3: Cross multiply
    15,669.76x = 21,624.16 × 8,596.48
  4. Step 4: Simplify right side
    15,669.76x = 185,891,658.96
  5. Step 5: Solve for x
    x = 185,891,658.96/15,669.76
  6. Step 6: Final answer
    x = 11,863.08

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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.