Home / 25,630.81-38,448.23-6,910.57

Finding the Fourth Proportional to 25,630.81, 38,448.23 and 6,910.57

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Solution

The fourth proportional to 25,630.81, 38,448.23 and 6,910.57 is: 10,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.81 : 38,448.23 = 6,910.57 : x
  2. Step 2: Convert to fraction form
    25,630.81/38,448.23 = 6,910.57/x
  3. Step 3: Cross multiply
    25,630.81x = 38,448.23 × 6,910.57
  4. Step 4: Simplify right side
    25,630.81x = 265,699,020.90
  5. Step 5: Solve for x
    x = 265,699,020.90/25,630.81
  6. Step 6: Final answer
    x = 10,366.39

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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.