Home / 13,398.75-20,107.34-4,633.67

Finding the Fourth Proportional to 13,398.75, 20,107.34 and 4,633.67

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Solution

The fourth proportional to 13,398.75, 20,107.34 and 4,633.67 is: 6,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.75 : 20,107.34 = 4,633.67 : x
  2. Step 2: Convert to fraction form
    13,398.75/20,107.34 = 4,633.67/x
  3. Step 3: Cross multiply
    13,398.75x = 20,107.34 × 4,633.67
  4. Step 4: Simplify right side
    13,398.75x = 93,170,822.61
  5. Step 5: Solve for x
    x = 93,170,822.61/13,398.75
  6. Step 6: Final answer
    x = 6,953.70

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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.