Home / 27,983.34-38,591.64-18,535.50

Finding the Fourth Proportional to 27,983.34, 38,591.64 and 18,535.50

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Solution

The fourth proportional to 27,983.34, 38,591.64 and 18,535.50 is: 25,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.34 : 38,591.64 = 18,535.50 : x
  2. Step 2: Convert to fraction form
    27,983.34/38,591.64 = 18,535.50/x
  3. Step 3: Cross multiply
    27,983.34x = 38,591.64 × 18,535.50
  4. Step 4: Simplify right side
    27,983.34x = 715,315,343.22
  5. Step 5: Solve for x
    x = 715,315,343.22/27,983.34
  6. Step 6: Final answer
    x = 25,562.19

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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.