Home / 18,526.66-27,790.40-6,681.39

Finding the Fourth Proportional to 18,526.66, 27,790.40 and 6,681.39

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Solution

The fourth proportional to 18,526.66, 27,790.40 and 6,681.39 is: 10,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.66 : 27,790.40 = 6,681.39 : x
  2. Step 2: Convert to fraction form
    18,526.66/27,790.40 = 6,681.39/x
  3. Step 3: Cross multiply
    18,526.66x = 27,790.40 × 6,681.39
  4. Step 4: Simplify right side
    18,526.66x = 185,678,361.70
  5. Step 5: Solve for x
    x = 185,678,361.70/18,526.66
  6. Step 6: Final answer
    x = 10,022.23

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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.