Home / 19,758.24-29,637.39-8,071.46

Finding the Fourth Proportional to 19,758.24, 29,637.39 and 8,071.46

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Solution

The fourth proportional to 19,758.24, 29,637.39 and 8,071.46 is: 12,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,758.24 : 29,637.39 = 8,071.46 : x
  2. Step 2: Convert to fraction form
    19,758.24/29,637.39 = 8,071.46/x
  3. Step 3: Cross multiply
    19,758.24x = 29,637.39 × 8,071.46
  4. Step 4: Simplify right side
    19,758.24x = 239,217,007.89
  5. Step 5: Solve for x
    x = 239,217,007.89/19,758.24
  6. Step 6: Final answer
    x = 12,107.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.