Home / 14,040.42-19,468.10-13,572.05

Finding the Fourth Proportional to 14,040.42, 19,468.10 and 13,572.05

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Solution

The fourth proportional to 14,040.42, 19,468.10 and 13,572.05 is: 18,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.42 : 19,468.10 = 13,572.05 : x
  2. Step 2: Convert to fraction form
    14,040.42/19,468.10 = 13,572.05/x
  3. Step 3: Cross multiply
    14,040.42x = 19,468.10 × 13,572.05
  4. Step 4: Simplify right side
    14,040.42x = 264,221,861.40
  5. Step 5: Solve for x
    x = 264,221,861.40/14,040.42
  6. Step 6: Final answer
    x = 18,818.66

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.