Home / 14,772.21-22,151.70-5,405.46

Finding the Fourth Proportional to 14,772.21, 22,151.70 and 5,405.46

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Solution

The fourth proportional to 14,772.21, 22,151.70 and 5,405.46 is: 8,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.21 : 22,151.70 = 5,405.46 : x
  2. Step 2: Convert to fraction form
    14,772.21/22,151.70 = 5,405.46/x
  3. Step 3: Cross multiply
    14,772.21x = 22,151.70 × 5,405.46
  4. Step 4: Simplify right side
    14,772.21x = 119,740,128.28
  5. Step 5: Solve for x
    x = 119,740,128.28/14,772.21
  6. Step 6: Final answer
    x = 8,105.77

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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.