Home / 15,810.69-23,715.96-4,123.89

Finding the Fourth Proportional to 15,810.69, 23,715.96 and 4,123.89

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Solution

The fourth proportional to 15,810.69, 23,715.96 and 4,123.89 is: 6,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.69 : 23,715.96 = 4,123.89 : x
  2. Step 2: Convert to fraction form
    15,810.69/23,715.96 = 4,123.89/x
  3. Step 3: Cross multiply
    15,810.69x = 23,715.96 × 4,123.89
  4. Step 4: Simplify right side
    15,810.69x = 97,802,010.28
  5. Step 5: Solve for x
    x = 97,802,010.28/15,810.69
  6. Step 6: Final answer
    x = 6,185.82

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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.