Home / 15,362.51-23,057.50-7,871.18

Finding the Fourth Proportional to 15,362.51, 23,057.50 and 7,871.18

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Solution

The fourth proportional to 15,362.51, 23,057.50 and 7,871.18 is: 11,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362.51 : 23,057.50 = 7,871.18 : x
  2. Step 2: Convert to fraction form
    15,362.51/23,057.50 = 7,871.18/x
  3. Step 3: Cross multiply
    15,362.51x = 23,057.50 × 7,871.18
  4. Step 4: Simplify right side
    15,362.51x = 181,489,655.53
  5. Step 5: Solve for x
    x = 181,489,655.53/15,362.51
  6. Step 6: Final answer
    x = 11,813.80

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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.