Home / 19,001.98-28,477.86-13,754.53

Finding the Fourth Proportional to 19,001.98, 28,477.86 and 13,754.53

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Solution

The fourth proportional to 19,001.98, 28,477.86 and 13,754.53 is: 20,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.98 : 28,477.86 = 13,754.53 : x
  2. Step 2: Convert to fraction form
    19,001.98/28,477.86 = 13,754.53/x
  3. Step 3: Cross multiply
    19,001.98x = 28,477.86 × 13,754.53
  4. Step 4: Simplify right side
    19,001.98x = 391,699,579.71
  5. Step 5: Solve for x
    x = 391,699,579.71/19,001.98
  6. Step 6: Final answer
    x = 20,613.62

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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.