Home / 15,960.44-22,022.10-9,671.64

Finding the Fourth Proportional to 15,960.44, 22,022.10 and 9,671.64

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Solution

The fourth proportional to 15,960.44, 22,022.10 and 9,671.64 is: 13,344.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,960.44 : 22,022.10 = 9,671.64 : x
  2. Step 2: Convert to fraction form
    15,960.44/22,022.10 = 9,671.64/x
  3. Step 3: Cross multiply
    15,960.44x = 22,022.10 × 9,671.64
  4. Step 4: Simplify right side
    15,960.44x = 212,989,823.24
  5. Step 5: Solve for x
    x = 212,989,823.24/15,960.44
  6. Step 6: Final answer
    x = 13,344.86

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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.