Home / 15,573.87-23,319.09-8,162.67

Finding the Fourth Proportional to 15,573.87, 23,319.09 and 8,162.67

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Solution

The fourth proportional to 15,573.87, 23,319.09 and 8,162.67 is: 12,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.87 : 23,319.09 = 8,162.67 : x
  2. Step 2: Convert to fraction form
    15,573.87/23,319.09 = 8,162.67/x
  3. Step 3: Cross multiply
    15,573.87x = 23,319.09 × 8,162.67
  4. Step 4: Simplify right side
    15,573.87x = 190,346,123.82
  5. Step 5: Solve for x
    x = 190,346,123.82/15,573.87
  6. Step 6: Final answer
    x = 12,222.15

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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.