Home / 13,069.45-18,035.80-7,101.14

Finding the Fourth Proportional to 13,069.45, 18,035.80 and 7,101.14

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Solution

The fourth proportional to 13,069.45, 18,035.80 and 7,101.14 is: 9,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.45 : 18,035.80 = 7,101.14 : x
  2. Step 2: Convert to fraction form
    13,069.45/18,035.80 = 7,101.14/x
  3. Step 3: Cross multiply
    13,069.45x = 18,035.80 × 7,101.14
  4. Step 4: Simplify right side
    13,069.45x = 128,074,815.02
  5. Step 5: Solve for x
    x = 128,074,815.02/13,069.45
  6. Step 6: Final answer
    x = 9,799.56

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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.