Home / 15,774.42-23,660.70-5,912.87

Finding the Fourth Proportional to 15,774.42, 23,660.70 and 5,912.87

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Solution

The fourth proportional to 15,774.42, 23,660.70 and 5,912.87 is: 8,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.42 : 23,660.70 = 5,912.87 : x
  2. Step 2: Convert to fraction form
    15,774.42/23,660.70 = 5,912.87/x
  3. Step 3: Cross multiply
    15,774.42x = 23,660.70 × 5,912.87
  4. Step 4: Simplify right side
    15,774.42x = 139,902,643.21
  5. Step 5: Solve for x
    x = 139,902,643.21/15,774.42
  6. Step 6: Final answer
    x = 8,868.96

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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.