Home / 15,750.21-23,622.06-7,426.65

Finding the Fourth Proportional to 15,750.21, 23,622.06 and 7,426.65

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Solution

The fourth proportional to 15,750.21, 23,622.06 and 7,426.65 is: 11,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.21 : 23,622.06 = 7,426.65 : x
  2. Step 2: Convert to fraction form
    15,750.21/23,622.06 = 7,426.65/x
  3. Step 3: Cross multiply
    15,750.21x = 23,622.06 × 7,426.65
  4. Step 4: Simplify right side
    15,750.21x = 175,432,771.90
  5. Step 5: Solve for x
    x = 175,432,771.90/15,750.21
  6. Step 6: Final answer
    x = 11,138.44

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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.