Home / 19,689.46-29,529.12-5,835.22

Finding the Fourth Proportional to 19,689.46, 29,529.12 and 5,835.22

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Solution

The fourth proportional to 19,689.46, 29,529.12 and 5,835.22 is: 8,751.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689.46 : 29,529.12 = 5,835.22 : x
  2. Step 2: Convert to fraction form
    19,689.46/29,529.12 = 5,835.22/x
  3. Step 3: Cross multiply
    19,689.46x = 29,529.12 × 5,835.22
  4. Step 4: Simplify right side
    19,689.46x = 172,308,911.61
  5. Step 5: Solve for x
    x = 172,308,911.61/19,689.46
  6. Step 6: Final answer
    x = 8,751.33

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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.