Home / 19,216.92-26,518.14-10,720.29

Finding the Fourth Proportional to 19,216.92, 26,518.14 and 10,720.29

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Solution

The fourth proportional to 19,216.92, 26,518.14 and 10,720.29 is: 14,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.92 : 26,518.14 = 10,720.29 : x
  2. Step 2: Convert to fraction form
    19,216.92/26,518.14 = 10,720.29/x
  3. Step 3: Cross multiply
    19,216.92x = 26,518.14 × 10,720.29
  4. Step 4: Simplify right side
    19,216.92x = 284,282,151.06
  5. Step 5: Solve for x
    x = 284,282,151.06/19,216.92
  6. Step 6: Final answer
    x = 14,793.33

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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.