Home / 13,731.96-20,599.56-10,291.08

Finding the Fourth Proportional to 13,731.96, 20,599.56 and 10,291.08

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Solution

The fourth proportional to 13,731.96, 20,599.56 and 10,291.08 is: 15,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.96 : 20,599.56 = 10,291.08 : x
  2. Step 2: Convert to fraction form
    13,731.96/20,599.56 = 10,291.08/x
  3. Step 3: Cross multiply
    13,731.96x = 20,599.56 × 10,291.08
  4. Step 4: Simplify right side
    13,731.96x = 211,991,719.92
  5. Step 5: Solve for x
    x = 211,991,719.92/13,731.96
  6. Step 6: Final answer
    x = 15,437.83

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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.