Home / 18,402.42-27,603.51-11,008.95

Finding the Fourth Proportional to 18,402.42, 27,603.51 and 11,008.95

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Solution

The fourth proportional to 18,402.42, 27,603.51 and 11,008.95 is: 16,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.42 : 27,603.51 = 11,008.95 : x
  2. Step 2: Convert to fraction form
    18,402.42/27,603.51 = 11,008.95/x
  3. Step 3: Cross multiply
    18,402.42x = 27,603.51 × 11,008.95
  4. Step 4: Simplify right side
    18,402.42x = 303,885,661.41
  5. Step 5: Solve for x
    x = 303,885,661.41/18,402.42
  6. Step 6: Final answer
    x = 16,513.35

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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.