Home / 15,971.93-22,043.39-9,168.64

Finding the Fourth Proportional to 15,971.93, 22,043.39 and 9,168.64

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Solution

The fourth proportional to 15,971.93, 22,043.39 and 9,168.64 is: 12,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.93 : 22,043.39 = 9,168.64 : x
  2. Step 2: Convert to fraction form
    15,971.93/22,043.39 = 9,168.64/x
  3. Step 3: Cross multiply
    15,971.93x = 22,043.39 × 9,168.64
  4. Step 4: Simplify right side
    15,971.93x = 202,107,981.91
  5. Step 5: Solve for x
    x = 202,107,981.91/15,971.93
  6. Step 6: Final answer
    x = 12,653.95

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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.