Home / 13,465.38-20,206.70-6,536.10

Finding the Fourth Proportional to 13,465.38, 20,206.70 and 6,536.10

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Solution

The fourth proportional to 13,465.38, 20,206.70 and 6,536.10 is: 9,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.38 : 20,206.70 = 6,536.10 : x
  2. Step 2: Convert to fraction form
    13,465.38/20,206.70 = 6,536.10/x
  3. Step 3: Cross multiply
    13,465.38x = 20,206.70 × 6,536.10
  4. Step 4: Simplify right side
    13,465.38x = 132,073,011.87
  5. Step 5: Solve for x
    x = 132,073,011.87/13,465.38
  6. Step 6: Final answer
    x = 9,808.34

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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.