Home / 14,722.25-20,316.42-8,007.75

Finding the Fourth Proportional to 14,722.25, 20,316.42 and 8,007.75

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Solution

The fourth proportional to 14,722.25, 20,316.42 and 8,007.75 is: 11,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.25 : 20,316.42 = 8,007.75 : x
  2. Step 2: Convert to fraction form
    14,722.25/20,316.42 = 8,007.75/x
  3. Step 3: Cross multiply
    14,722.25x = 20,316.42 × 8,007.75
  4. Step 4: Simplify right side
    14,722.25x = 162,688,812.26
  5. Step 5: Solve for x
    x = 162,688,812.26/14,722.25
  6. Step 6: Final answer
    x = 11,050.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.