Home / 16,054.78-22,155.27-8,981.26

Finding the Fourth Proportional to 16,054.78, 22,155.27 and 8,981.26

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Solution

The fourth proportional to 16,054.78, 22,155.27 and 8,981.26 is: 12,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.78 : 22,155.27 = 8,981.26 : x
  2. Step 2: Convert to fraction form
    16,054.78/22,155.27 = 8,981.26/x
  3. Step 3: Cross multiply
    16,054.78x = 22,155.27 × 8,981.26
  4. Step 4: Simplify right side
    16,054.78x = 198,982,240.24
  5. Step 5: Solve for x
    x = 198,982,240.24/16,054.78
  6. Step 6: Final answer
    x = 12,393.96

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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.