Home / 13,035.66-17,988.72-7,067.22

Finding the Fourth Proportional to 13,035.66, 17,988.72 and 7,067.22

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Solution

The fourth proportional to 13,035.66, 17,988.72 and 7,067.22 is: 9,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.66 : 17,988.72 = 7,067.22 : x
  2. Step 2: Convert to fraction form
    13,035.66/17,988.72 = 7,067.22/x
  3. Step 3: Cross multiply
    13,035.66x = 17,988.72 × 7,067.22
  4. Step 4: Simplify right side
    13,035.66x = 127,130,241.76
  5. Step 5: Solve for x
    x = 127,130,241.76/13,035.66
  6. Step 6: Final answer
    x = 9,752.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.