Home / 15,560.05-21,474.69-8,846.69

Finding the Fourth Proportional to 15,560.05, 21,474.69 and 8,846.69

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Solution

The fourth proportional to 15,560.05, 21,474.69 and 8,846.69 is: 12,209.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.05 : 21,474.69 = 8,846.69 : x
  2. Step 2: Convert to fraction form
    15,560.05/21,474.69 = 8,846.69/x
  3. Step 3: Cross multiply
    15,560.05x = 21,474.69 × 8,846.69
  4. Step 4: Simplify right side
    15,560.05x = 189,979,784.73
  5. Step 5: Solve for x
    x = 189,979,784.73/15,560.05
  6. Step 6: Final answer
    x = 12,209.46

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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.