Home / 18,826.92-25,973.37-10,863.50

Finding the Fourth Proportional to 18,826.92, 25,973.37 and 10,863.50

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Solution

The fourth proportional to 18,826.92, 25,973.37 and 10,863.50 is: 14,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.92 : 25,973.37 = 10,863.50 : x
  2. Step 2: Convert to fraction form
    18,826.92/25,973.37 = 10,863.50/x
  3. Step 3: Cross multiply
    18,826.92x = 25,973.37 × 10,863.50
  4. Step 4: Simplify right side
    18,826.92x = 282,161,575.13
  5. Step 5: Solve for x
    x = 282,161,575.13/18,826.92
  6. Step 6: Final answer
    x = 14,987.13

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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.