Home / 34,715.68-47,907.54-18,800.12

Finding the Fourth Proportional to 34,715.68, 47,907.54 and 18,800.12

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Solution

The fourth proportional to 34,715.68, 47,907.54 and 18,800.12 is: 25,944.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.68 : 47,907.54 = 18,800.12 : x
  2. Step 2: Convert to fraction form
    34,715.68/47,907.54 = 18,800.12/x
  3. Step 3: Cross multiply
    34,715.68x = 47,907.54 × 18,800.12
  4. Step 4: Simplify right side
    34,715.68x = 900,667,500.90
  5. Step 5: Solve for x
    x = 900,667,500.90/34,715.68
  6. Step 6: Final answer
    x = 25,944.11

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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.