Home / 18,935.09-28,400.02-10,046.53

Finding the Fourth Proportional to 18,935.09, 28,400.02 and 10,046.53

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Solution

The fourth proportional to 18,935.09, 28,400.02 and 10,046.53 is: 15,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.09 : 28,400.02 = 10,046.53 : x
  2. Step 2: Convert to fraction form
    18,935.09/28,400.02 = 10,046.53/x
  3. Step 3: Cross multiply
    18,935.09x = 28,400.02 × 10,046.53
  4. Step 4: Simplify right side
    18,935.09x = 285,321,663.31
  5. Step 5: Solve for x
    x = 285,321,663.31/18,935.09
  6. Step 6: Final answer
    x = 15,068.41

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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.