Home / 13,066.76-19,600.04-5,275.46

Finding the Fourth Proportional to 13,066.76, 19,600.04 and 5,275.46

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Solution

The fourth proportional to 13,066.76, 19,600.04 and 5,275.46 is: 7,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.76 : 19,600.04 = 5,275.46 : x
  2. Step 2: Convert to fraction form
    13,066.76/19,600.04 = 5,275.46/x
  3. Step 3: Cross multiply
    13,066.76x = 19,600.04 × 5,275.46
  4. Step 4: Simplify right side
    13,066.76x = 103,399,142.21
  5. Step 5: Solve for x
    x = 103,399,142.21/13,066.76
  6. Step 6: Final answer
    x = 7,913.15

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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.