Home / 13,383.89-20,048.56-6,342.56

Finding the Fourth Proportional to 13,383.89, 20,048.56 and 6,342.56

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Solution

The fourth proportional to 13,383.89, 20,048.56 and 6,342.56 is: 9,500.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383.89 : 20,048.56 = 6,342.56 : x
  2. Step 2: Convert to fraction form
    13,383.89/20,048.56 = 6,342.56/x
  3. Step 3: Cross multiply
    13,383.89x = 20,048.56 × 6,342.56
  4. Step 4: Simplify right side
    13,383.89x = 127,159,194.71
  5. Step 5: Solve for x
    x = 127,159,194.71/13,383.89
  6. Step 6: Final answer
    x = 9,500.91

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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.