Home / 18,384.12-27,368.25-18,274.77

Finding the Fourth Proportional to 18,384.12, 27,368.25 and 18,274.77

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Solution

The fourth proportional to 18,384.12, 27,368.25 and 18,274.77 is: 27,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.12 : 27,368.25 = 18,274.77 : x
  2. Step 2: Convert to fraction form
    18,384.12/27,368.25 = 18,274.77/x
  3. Step 3: Cross multiply
    18,384.12x = 27,368.25 × 18,274.77
  4. Step 4: Simplify right side
    18,384.12x = 500,148,474.05
  5. Step 5: Solve for x
    x = 500,148,474.05/18,384.12
  6. Step 6: Final answer
    x = 27,205.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.