Home / 20,237.58-30,346.65-11,470.14

Finding the Fourth Proportional to 20,237.58, 30,346.65 and 11,470.14

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Solution

The fourth proportional to 20,237.58, 30,346.65 and 11,470.14 is: 17,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.58 : 30,346.65 = 11,470.14 : x
  2. Step 2: Convert to fraction form
    20,237.58/30,346.65 = 11,470.14/x
  3. Step 3: Cross multiply
    20,237.58x = 30,346.65 × 11,470.14
  4. Step 4: Simplify right side
    20,237.58x = 348,080,324.03
  5. Step 5: Solve for x
    x = 348,080,324.03/20,237.58
  6. Step 6: Final answer
    x = 17,199.70

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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.