Home / 14,507.36-21,761.20-4,119.08

Finding the Fourth Proportional to 14,507.36, 21,761.20 and 4,119.08

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Solution

The fourth proportional to 14,507.36, 21,761.20 and 4,119.08 is: 6,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.36 : 21,761.20 = 4,119.08 : x
  2. Step 2: Convert to fraction form
    14,507.36/21,761.20 = 4,119.08/x
  3. Step 3: Cross multiply
    14,507.36x = 21,761.20 × 4,119.08
  4. Step 4: Simplify right side
    14,507.36x = 89,636,123.70
  5. Step 5: Solve for x
    x = 89,636,123.70/14,507.36
  6. Step 6: Final answer
    x = 6,178.67

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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.