Home / 16,261.08-22,439.61-9,187.77

Finding the Fourth Proportional to 16,261.08, 22,439.61 and 9,187.77

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Solution

The fourth proportional to 16,261.08, 22,439.61 and 9,187.77 is: 12,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,261.08 : 22,439.61 = 9,187.77 : x
  2. Step 2: Convert to fraction form
    16,261.08/22,439.61 = 9,187.77/x
  3. Step 3: Cross multiply
    16,261.08x = 22,439.61 × 9,187.77
  4. Step 4: Simplify right side
    16,261.08x = 206,169,975.57
  5. Step 5: Solve for x
    x = 206,169,975.57/16,261.08
  6. Step 6: Final answer
    x = 12,678.74

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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.