Home / 14,722.40-22,051.20-8,868.80

Finding the Fourth Proportional to 14,722.40, 22,051.20 and 8,868.80

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Solution

The fourth proportional to 14,722.40, 22,051.20 and 8,868.80 is: 13,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.40 : 22,051.20 = 8,868.80 : x
  2. Step 2: Convert to fraction form
    14,722.40/22,051.20 = 8,868.80/x
  3. Step 3: Cross multiply
    14,722.40x = 22,051.20 × 8,868.80
  4. Step 4: Simplify right side
    14,722.40x = 195,567,682.56
  5. Step 5: Solve for x
    x = 195,567,682.56/14,722.40
  6. Step 6: Final answer
    x = 13,283.68

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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.