Home / 27,497.18-37,977.20-18,529.12

Finding the Fourth Proportional to 27,497.18, 37,977.20 and 18,529.12

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Solution

The fourth proportional to 27,497.18, 37,977.20 and 18,529.12 is: 25,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,497.18 : 37,977.20 = 18,529.12 : x
  2. Step 2: Convert to fraction form
    27,497.18/37,977.20 = 18,529.12/x
  3. Step 3: Cross multiply
    27,497.18x = 37,977.20 × 18,529.12
  4. Step 4: Simplify right side
    27,497.18x = 703,684,096.06
  5. Step 5: Solve for x
    x = 703,684,096.06/27,497.18
  6. Step 6: Final answer
    x = 25,591.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.