Home / 16,054.19-22,154.78-8,980.61

Finding the Fourth Proportional to 16,054.19, 22,154.78 and 8,980.61

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Solution

The fourth proportional to 16,054.19, 22,154.78 and 8,980.61 is: 12,393.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,054.19 : 22,154.78 = 8,980.61 : x
  2. Step 2: Convert to fraction form
    16,054.19/22,154.78 = 8,980.61/x
  3. Step 3: Cross multiply
    16,054.19x = 22,154.78 × 8,980.61
  4. Step 4: Simplify right side
    16,054.19x = 198,963,438.82
  5. Step 5: Solve for x
    x = 198,963,438.82/16,054.19
  6. Step 6: Final answer
    x = 12,393.24

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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.