Home / 20,722.74-28,587.54-14,010.67

Finding the Fourth Proportional to 20,722.74, 28,587.54 and 14,010.67

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Solution

The fourth proportional to 20,722.74, 28,587.54 and 14,010.67 is: 19,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722.74 : 28,587.54 = 14,010.67 : x
  2. Step 2: Convert to fraction form
    20,722.74/28,587.54 = 14,010.67/x
  3. Step 3: Cross multiply
    20,722.74x = 28,587.54 × 14,010.67
  4. Step 4: Simplify right side
    20,722.74x = 400,530,589.05
  5. Step 5: Solve for x
    x = 400,530,589.05/20,722.74
  6. Step 6: Final answer
    x = 19,328.07

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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.