Home / 19,711.36-29,528.16-14,786.56

Finding the Fourth Proportional to 19,711.36, 29,528.16 and 14,786.56

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Solution

The fourth proportional to 19,711.36, 29,528.16 and 14,786.56 is: 22,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.36 : 29,528.16 = 14,786.56 : x
  2. Step 2: Convert to fraction form
    19,711.36/29,528.16 = 14,786.56/x
  3. Step 3: Cross multiply
    19,711.36x = 29,528.16 × 14,786.56
  4. Step 4: Simplify right side
    19,711.36x = 436,619,909.53
  5. Step 5: Solve for x
    x = 436,619,909.53/19,711.36
  6. Step 6: Final answer
    x = 22,150.67

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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.