Home / 36,688.50-55,032.84-13,314.96

Finding the Fourth Proportional to 36,688.50, 55,032.84 and 13,314.96

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Solution

The fourth proportional to 36,688.50, 55,032.84 and 13,314.96 is: 19,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.50 : 55,032.84 = 13,314.96 : x
  2. Step 2: Convert to fraction form
    36,688.50/55,032.84 = 13,314.96/x
  3. Step 3: Cross multiply
    36,688.50x = 55,032.84 × 13,314.96
  4. Step 4: Simplify right side
    36,688.50x = 732,760,063.29
  5. Step 5: Solve for x
    x = 732,760,063.29/36,688.50
  6. Step 6: Final answer
    x = 19,972.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.