Home / 18,276.48-27,429.14-9,391.46

Finding the Fourth Proportional to 18,276.48, 27,429.14 and 9,391.46

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Solution

The fourth proportional to 18,276.48, 27,429.14 and 9,391.46 is: 14,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.48 : 27,429.14 = 9,391.46 : x
  2. Step 2: Convert to fraction form
    18,276.48/27,429.14 = 9,391.46/x
  3. Step 3: Cross multiply
    18,276.48x = 27,429.14 × 9,391.46
  4. Step 4: Simplify right side
    18,276.48x = 257,599,557.48
  5. Step 5: Solve for x
    x = 257,599,557.48/18,276.48
  6. Step 6: Final answer
    x = 14,094.59

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1.5x scale

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.