Home / 20,524.14-28,346.67-13,798.11

Finding the Fourth Proportional to 20,524.14, 28,346.67 and 13,798.11

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Solution

The fourth proportional to 20,524.14, 28,346.67 and 13,798.11 is: 19,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.14 : 28,346.67 = 13,798.11 : x
  2. Step 2: Convert to fraction form
    20,524.14/28,346.67 = 13,798.11/x
  3. Step 3: Cross multiply
    20,524.14x = 28,346.67 × 13,798.11
  4. Step 4: Simplify right side
    20,524.14x = 391,130,470.79
  5. Step 5: Solve for x
    x = 391,130,470.79/20,524.14
  6. Step 6: Final answer
    x = 19,057.09

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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.