Home / 14,305.08-19,743.30-8,340.24

Finding the Fourth Proportional to 14,305.08, 19,743.30 and 8,340.24

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Solution

The fourth proportional to 14,305.08, 19,743.30 and 8,340.24 is: 11,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.08 : 19,743.30 = 8,340.24 : x
  2. Step 2: Convert to fraction form
    14,305.08/19,743.30 = 8,340.24/x
  3. Step 3: Cross multiply
    14,305.08x = 19,743.30 × 8,340.24
  4. Step 4: Simplify right side
    14,305.08x = 164,663,860.39
  5. Step 5: Solve for x
    x = 164,663,860.39/14,305.08
  6. Step 6: Final answer
    x = 11,510.87

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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.