Home / 15,191.82-22,780.23-4,659.32

Finding the Fourth Proportional to 15,191.82, 22,780.23 and 4,659.32

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Solution

The fourth proportional to 15,191.82, 22,780.23 and 4,659.32 is: 6,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191.82 : 22,780.23 = 4,659.32 : x
  2. Step 2: Convert to fraction form
    15,191.82/22,780.23 = 4,659.32/x
  3. Step 3: Cross multiply
    15,191.82x = 22,780.23 × 4,659.32
  4. Step 4: Simplify right side
    15,191.82x = 106,140,312.64
  5. Step 5: Solve for x
    x = 106,140,312.64/15,191.82
  6. Step 6: Final answer
    x = 6,986.67

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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.