Home / 34,715.75-47,907.66-18,800.15

Finding the Fourth Proportional to 34,715.75, 47,907.66 and 18,800.15

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Solution

The fourth proportional to 34,715.75, 47,907.66 and 18,800.15 is: 25,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.75 : 47,907.66 = 18,800.15 : x
  2. Step 2: Convert to fraction form
    34,715.75/47,907.66 = 18,800.15/x
  3. Step 3: Cross multiply
    34,715.75x = 47,907.66 × 18,800.15
  4. Step 4: Simplify right side
    34,715.75x = 900,670,860.61
  5. Step 5: Solve for x
    x = 900,670,860.61/34,715.75
  6. Step 6: Final answer
    x = 25,944.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.