Home / 16,626.66-22,947.63-15,879.30

Finding the Fourth Proportional to 16,626.66, 22,947.63 and 15,879.30

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Solution

The fourth proportional to 16,626.66, 22,947.63 and 15,879.30 is: 21,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,626.66 : 22,947.63 = 15,879.30 : x
  2. Step 2: Convert to fraction form
    16,626.66/22,947.63 = 15,879.30/x
  3. Step 3: Cross multiply
    16,626.66x = 22,947.63 × 15,879.30
  4. Step 4: Simplify right side
    16,626.66x = 364,392,301.06
  5. Step 5: Solve for x
    x = 364,392,301.06/16,626.66
  6. Step 6: Final answer
    x = 21,916.15

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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.