Home / 19,869.51-29,785.74-6,712.68

Finding the Fourth Proportional to 19,869.51, 29,785.74 and 6,712.68

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Solution

The fourth proportional to 19,869.51, 29,785.74 and 6,712.68 is: 10,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.51 : 29,785.74 = 6,712.68 : x
  2. Step 2: Convert to fraction form
    19,869.51/29,785.74 = 6,712.68/x
  3. Step 3: Cross multiply
    19,869.51x = 29,785.74 × 6,712.68
  4. Step 4: Simplify right side
    19,869.51x = 199,942,215.65
  5. Step 5: Solve for x
    x = 199,942,215.65/19,869.51
  6. Step 6: Final answer
    x = 10,062.76

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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.