Home / 16,993.19-23,453.15-12,228.91

Finding the Fourth Proportional to 16,993.19, 23,453.15 and 12,228.91

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Solution

The fourth proportional to 16,993.19, 23,453.15 and 12,228.91 is: 16,877.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,993.19 : 23,453.15 = 12,228.91 : x
  2. Step 2: Convert to fraction form
    16,993.19/23,453.15 = 12,228.91/x
  3. Step 3: Cross multiply
    16,993.19x = 23,453.15 × 12,228.91
  4. Step 4: Simplify right side
    16,993.19x = 286,806,340.79
  5. Step 5: Solve for x
    x = 286,806,340.79/16,993.19
  6. Step 6: Final answer
    x = 16,877.72

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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.