Home / 18,362.04-27,459-13,685.31

Finding the Fourth Proportional to 18,362.04, 27,459 and 13,685.31

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Solution

The fourth proportional to 18,362.04, 27,459 and 13,685.31 is: 20,465.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362.04 : 27,459 = 13,685.31 : x
  2. Step 2: Convert to fraction form
    18,362.04/27,459 = 13,685.31/x
  3. Step 3: Cross multiply
    18,362.04x = 27,459 × 13,685.31
  4. Step 4: Simplify right side
    18,362.04x = 375,784,927.29
  5. Step 5: Solve for x
    x = 375,784,927.29/18,362.04
  6. Step 6: Final answer
    x = 20,465.31

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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.