Home / 25,699.04-38,545.11-6,980.34

Finding the Fourth Proportional to 25,699.04, 38,545.11 and 6,980.34

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Solution

The fourth proportional to 25,699.04, 38,545.11 and 6,980.34 is: 10,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.04 : 38,545.11 = 6,980.34 : x
  2. Step 2: Convert to fraction form
    25,699.04/38,545.11 = 6,980.34/x
  3. Step 3: Cross multiply
    25,699.04x = 38,545.11 × 6,980.34
  4. Step 4: Simplify right side
    25,699.04x = 269,057,973.14
  5. Step 5: Solve for x
    x = 269,057,973.14/25,699.04
  6. Step 6: Final answer
    x = 10,469.57

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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.