Home / 15,722.07-23,586.20-5,191.67

Finding the Fourth Proportional to 15,722.07, 23,586.20 and 5,191.67

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Solution

The fourth proportional to 15,722.07, 23,586.20 and 5,191.67 is: 7,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,722.07 : 23,586.20 = 5,191.67 : x
  2. Step 2: Convert to fraction form
    15,722.07/23,586.20 = 5,191.67/x
  3. Step 3: Cross multiply
    15,722.07x = 23,586.20 × 5,191.67
  4. Step 4: Simplify right side
    15,722.07x = 122,451,623.06
  5. Step 5: Solve for x
    x = 122,451,623.06/15,722.07
  6. Step 6: Final answer
    x = 7,788.52

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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.