Home / 18,156.59-27,228.75-6,909.26

Finding the Fourth Proportional to 18,156.59, 27,228.75 and 6,909.26

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Solution

The fourth proportional to 18,156.59, 27,228.75 and 6,909.26 is: 10,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.59 : 27,228.75 = 6,909.26 : x
  2. Step 2: Convert to fraction form
    18,156.59/27,228.75 = 6,909.26/x
  3. Step 3: Cross multiply
    18,156.59x = 27,228.75 × 6,909.26
  4. Step 4: Simplify right side
    18,156.59x = 188,130,409.47
  5. Step 5: Solve for x
    x = 188,130,409.47/18,156.59
  6. Step 6: Final answer
    x = 10,361.55

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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.