Home / 19,324.92-26,722.09-15,339.12

Finding the Fourth Proportional to 19,324.92, 26,722.09 and 15,339.12

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Solution

The fourth proportional to 19,324.92, 26,722.09 and 15,339.12 is: 21,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.92 : 26,722.09 = 15,339.12 : x
  2. Step 2: Convert to fraction form
    19,324.92/26,722.09 = 15,339.12/x
  3. Step 3: Cross multiply
    19,324.92x = 26,722.09 × 15,339.12
  4. Step 4: Simplify right side
    19,324.92x = 409,893,345.16
  5. Step 5: Solve for x
    x = 409,893,345.16/19,324.92
  6. Step 6: Final answer
    x = 21,210.61

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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.