Home / 19,920.04-29,883.14-6,769.34

Finding the Fourth Proportional to 19,920.04, 29,883.14 and 6,769.34

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Solution

The fourth proportional to 19,920.04, 29,883.14 and 6,769.34 is: 10,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.04 : 29,883.14 = 6,769.34 : x
  2. Step 2: Convert to fraction form
    19,920.04/29,883.14 = 6,769.34/x
  3. Step 3: Cross multiply
    19,920.04x = 29,883.14 × 6,769.34
  4. Step 4: Simplify right side
    19,920.04x = 202,289,089.11
  5. Step 5: Solve for x
    x = 202,289,089.11/19,920.04
  6. Step 6: Final answer
    x = 10,155.05

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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.