Home / 19,362.20-26,718.27-10,863.15

Finding the Fourth Proportional to 19,362.20, 26,718.27 and 10,863.15

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Solution

The fourth proportional to 19,362.20, 26,718.27 and 10,863.15 is: 14,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.20 : 26,718.27 = 10,863.15 : x
  2. Step 2: Convert to fraction form
    19,362.20/26,718.27 = 10,863.15/x
  3. Step 3: Cross multiply
    19,362.20x = 26,718.27 × 10,863.15
  4. Step 4: Simplify right side
    19,362.20x = 290,244,574.75
  5. Step 5: Solve for x
    x = 290,244,574.75/19,362.20
  6. Step 6: Final answer
    x = 14,990.27

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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.