Home / 20,392.19-30,560.09-14,724.69

Finding the Fourth Proportional to 20,392.19, 30,560.09 and 14,724.69

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Solution

The fourth proportional to 20,392.19, 30,560.09 and 14,724.69 is: 22,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,392.19 : 30,560.09 = 14,724.69 : x
  2. Step 2: Convert to fraction form
    20,392.19/30,560.09 = 14,724.69/x
  3. Step 3: Cross multiply
    20,392.19x = 30,560.09 × 14,724.69
  4. Step 4: Simplify right side
    20,392.19x = 449,987,663.40
  5. Step 5: Solve for x
    x = 449,987,663.40/20,392.19
  6. Step 6: Final answer
    x = 22,066.67

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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.