Home / 13,036.50-18,005.22-8,837.46

Finding the Fourth Proportional to 13,036.50, 18,005.22 and 8,837.46

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Solution

The fourth proportional to 13,036.50, 18,005.22 and 8,837.46 is: 12,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.50 : 18,005.22 = 8,837.46 : x
  2. Step 2: Convert to fraction form
    13,036.50/18,005.22 = 8,837.46/x
  3. Step 3: Cross multiply
    13,036.50x = 18,005.22 × 8,837.46
  4. Step 4: Simplify right side
    13,036.50x = 159,120,411.54
  5. Step 5: Solve for x
    x = 159,120,411.54/13,036.50
  6. Step 6: Final answer
    x = 12,205.76

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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.