Home / 13,516.82-20,275.16-3,656.08

Finding the Fourth Proportional to 13,516.82, 20,275.16 and 3,656.08

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Solution

The fourth proportional to 13,516.82, 20,275.16 and 3,656.08 is: 5,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.82 : 20,275.16 = 3,656.08 : x
  2. Step 2: Convert to fraction form
    13,516.82/20,275.16 = 3,656.08/x
  3. Step 3: Cross multiply
    13,516.82x = 20,275.16 × 3,656.08
  4. Step 4: Simplify right side
    13,516.82x = 74,127,538.00
  5. Step 5: Solve for x
    x = 74,127,538.00/13,516.82
  6. Step 6: Final answer
    x = 5,484.10

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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.