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Finding the Fourth Proportional to 15,369.40, 23,010.90 and 14,937.40

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Solution

The fourth proportional to 15,369.40, 23,010.90 and 14,937.40 is: 22,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.40 : 23,010.90 = 14,937.40 : x
  2. Step 2: Convert to fraction form
    15,369.40/23,010.90 = 14,937.40/x
  3. Step 3: Cross multiply
    15,369.40x = 23,010.90 × 14,937.40
  4. Step 4: Simplify right side
    15,369.40x = 343,723,017.66
  5. Step 5: Solve for x
    x = 343,723,017.66/15,369.40
  6. Step 6: Final answer
    x = 22,364.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.