Home / 14,113.77-21,154.04-5,789.67

Finding the Fourth Proportional to 14,113.77, 21,154.04 and 5,789.67

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Solution

The fourth proportional to 14,113.77, 21,154.04 and 5,789.67 is: 8,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.77 : 21,154.04 = 5,789.67 : x
  2. Step 2: Convert to fraction form
    14,113.77/21,154.04 = 5,789.67/x
  3. Step 3: Cross multiply
    14,113.77x = 21,154.04 × 5,789.67
  4. Step 4: Simplify right side
    14,113.77x = 122,474,910.77
  5. Step 5: Solve for x
    x = 122,474,910.77/14,113.77
  6. Step 6: Final answer
    x = 8,677.69

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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.