Home / 18,849.61-26,000.88-13,551.53

Finding the Fourth Proportional to 18,849.61, 26,000.88 and 13,551.53

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Solution

The fourth proportional to 18,849.61, 26,000.88 and 13,551.53 is: 18,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.61 : 26,000.88 = 13,551.53 : x
  2. Step 2: Convert to fraction form
    18,849.61/26,000.88 = 13,551.53/x
  3. Step 3: Cross multiply
    18,849.61x = 26,000.88 × 13,551.53
  4. Step 4: Simplify right side
    18,849.61x = 352,351,705.35
  5. Step 5: Solve for x
    x = 352,351,705.35/18,849.61
  6. Step 6: Final answer
    x = 18,692.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.