Home / 19,724.91-27,219.34-10,770.67

Finding the Fourth Proportional to 19,724.91, 27,219.34 and 10,770.67

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Solution

The fourth proportional to 19,724.91, 27,219.34 and 10,770.67 is: 14,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.91 : 27,219.34 = 10,770.67 : x
  2. Step 2: Convert to fraction form
    19,724.91/27,219.34 = 10,770.67/x
  3. Step 3: Cross multiply
    19,724.91x = 27,219.34 × 10,770.67
  4. Step 4: Simplify right side
    19,724.91x = 293,170,528.76
  5. Step 5: Solve for x
    x = 293,170,528.76/19,724.91
  6. Step 6: Final answer
    x = 14,862.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.