Home / 13,503.03-20,254.86-10,731.66

Finding the Fourth Proportional to 13,503.03, 20,254.86 and 10,731.66

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Solution

The fourth proportional to 13,503.03, 20,254.86 and 10,731.66 is: 16,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.03 : 20,254.86 = 10,731.66 : x
  2. Step 2: Convert to fraction form
    13,503.03/20,254.86 = 10,731.66/x
  3. Step 3: Cross multiply
    13,503.03x = 20,254.86 × 10,731.66
  4. Step 4: Simplify right side
    13,503.03x = 217,368,365.81
  5. Step 5: Solve for x
    x = 217,368,365.81/13,503.03
  6. Step 6: Final answer
    x = 16,097.75

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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.