Home / 13,707.77-20,562.46-4,347.61

Finding the Fourth Proportional to 13,707.77, 20,562.46 and 4,347.61

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Solution

The fourth proportional to 13,707.77, 20,562.46 and 4,347.61 is: 6,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.77 : 20,562.46 = 4,347.61 : x
  2. Step 2: Convert to fraction form
    13,707.77/20,562.46 = 4,347.61/x
  3. Step 3: Cross multiply
    13,707.77x = 20,562.46 × 4,347.61
  4. Step 4: Simplify right side
    13,707.77x = 89,397,494.45
  5. Step 5: Solve for x
    x = 89,397,494.45/13,707.77
  6. Step 6: Final answer
    x = 6,521.67

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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.