Home / 15,438.75-23,158.13-5,050.50

Finding the Fourth Proportional to 15,438.75, 23,158.13 and 5,050.50

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Solution

The fourth proportional to 15,438.75, 23,158.13 and 5,050.50 is: 7,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.75 : 23,158.13 = 5,050.50 : x
  2. Step 2: Convert to fraction form
    15,438.75/23,158.13 = 5,050.50/x
  3. Step 3: Cross multiply
    15,438.75x = 23,158.13 × 5,050.50
  4. Step 4: Simplify right side
    15,438.75x = 116,960,110.31
  5. Step 5: Solve for x
    x = 116,960,110.31/15,438.75
  6. Step 6: Final answer
    x = 7,575.75

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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.