Home / 13,776.98-20,664.92-4,416.74

Finding the Fourth Proportional to 13,776.98, 20,664.92 and 4,416.74

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Solution

The fourth proportional to 13,776.98, 20,664.92 and 4,416.74 is: 6,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.98 : 20,664.92 = 4,416.74 : x
  2. Step 2: Convert to fraction form
    13,776.98/20,664.92 = 4,416.74/x
  3. Step 3: Cross multiply
    13,776.98x = 20,664.92 × 4,416.74
  4. Step 4: Simplify right side
    13,776.98x = 91,271,578.76
  5. Step 5: Solve for x
    x = 91,271,578.76/13,776.98
  6. Step 6: Final answer
    x = 6,624.93

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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.