Home / 15,618.79-23,435.88-7,299.38

Finding the Fourth Proportional to 15,618.79, 23,435.88 and 7,299.38

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Solution

The fourth proportional to 15,618.79, 23,435.88 and 7,299.38 is: 10,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.79 : 23,435.88 = 7,299.38 : x
  2. Step 2: Convert to fraction form
    15,618.79/23,435.88 = 7,299.38/x
  3. Step 3: Cross multiply
    15,618.79x = 23,435.88 × 7,299.38
  4. Step 4: Simplify right side
    15,618.79x = 171,067,393.75
  5. Step 5: Solve for x
    x = 171,067,393.75/15,618.79
  6. Step 6: Final answer
    x = 10,952.67

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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.