Home / 18,826.83-25,981.16-10,443.33

Finding the Fourth Proportional to 18,826.83, 25,981.16 and 10,443.33

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Solution

The fourth proportional to 18,826.83, 25,981.16 and 10,443.33 is: 14,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.83 : 25,981.16 = 10,443.33 : x
  2. Step 2: Convert to fraction form
    18,826.83/25,981.16 = 10,443.33/x
  3. Step 3: Cross multiply
    18,826.83x = 25,981.16 × 10,443.33
  4. Step 4: Simplify right side
    18,826.83x = 271,329,775.45
  5. Step 5: Solve for x
    x = 271,329,775.45/18,826.83
  6. Step 6: Final answer
    x = 14,411.87

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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.