Home / 18,298.49-27,426.54-8,417.03

Finding the Fourth Proportional to 18,298.49, 27,426.54 and 8,417.03

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Solution

The fourth proportional to 18,298.49, 27,426.54 and 8,417.03 is: 12,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.49 : 27,426.54 = 8,417.03 : x
  2. Step 2: Convert to fraction form
    18,298.49/27,426.54 = 8,417.03/x
  3. Step 3: Cross multiply
    18,298.49x = 27,426.54 × 8,417.03
  4. Step 4: Simplify right side
    18,298.49x = 230,850,009.98
  5. Step 5: Solve for x
    x = 230,850,009.98/18,298.49
  6. Step 6: Final answer
    x = 12,615.80

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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.