Home / 18,384.11-27,368.26-18,274.76

Finding the Fourth Proportional to 18,384.11, 27,368.26 and 18,274.76

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Solution

The fourth proportional to 18,384.11, 27,368.26 and 18,274.76 is: 27,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.11 : 27,368.26 = 18,274.76 : x
  2. Step 2: Convert to fraction form
    18,384.11/27,368.26 = 18,274.76/x
  3. Step 3: Cross multiply
    18,384.11x = 27,368.26 × 18,274.76
  4. Step 4: Simplify right side
    18,384.11x = 500,148,291.74
  5. Step 5: Solve for x
    x = 500,148,291.74/18,384.11
  6. Step 6: Final answer
    x = 27,205.47

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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.