Home / 25,688.67-38,535.45-6,969.78

Finding the Fourth Proportional to 25,688.67, 38,535.45 and 6,969.78

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Solution

The fourth proportional to 25,688.67, 38,535.45 and 6,969.78 is: 10,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.67 : 38,535.45 = 6,969.78 : x
  2. Step 2: Convert to fraction form
    25,688.67/38,535.45 = 6,969.78/x
  3. Step 3: Cross multiply
    25,688.67x = 38,535.45 × 6,969.78
  4. Step 4: Simplify right side
    25,688.67x = 268,583,608.70
  5. Step 5: Solve for x
    x = 268,583,608.70/25,688.67
  6. Step 6: Final answer
    x = 10,455.33

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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.