Home / 14,439.66-19,926.83-8,471.46

Finding the Fourth Proportional to 14,439.66, 19,926.83 and 8,471.46

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Solution

The fourth proportional to 14,439.66, 19,926.83 and 8,471.46 is: 11,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.66 : 19,926.83 = 8,471.46 : x
  2. Step 2: Convert to fraction form
    14,439.66/19,926.83 = 8,471.46/x
  3. Step 3: Cross multiply
    14,439.66x = 19,926.83 × 8,471.46
  4. Step 4: Simplify right side
    14,439.66x = 168,809,300.91
  5. Step 5: Solve for x
    x = 168,809,300.91/14,439.66
  6. Step 6: Final answer
    x = 11,690.67

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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.