Home / 25,513.35-38,243.58-18,475.77

Finding the Fourth Proportional to 25,513.35, 38,243.58 and 18,475.77

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Solution

The fourth proportional to 25,513.35, 38,243.58 and 18,475.77 is: 27,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.35 : 38,243.58 = 18,475.77 : x
  2. Step 2: Convert to fraction form
    25,513.35/38,243.58 = 18,475.77/x
  3. Step 3: Cross multiply
    25,513.35x = 38,243.58 × 18,475.77
  4. Step 4: Simplify right side
    25,513.35x = 706,579,588.06
  5. Step 5: Solve for x
    x = 706,579,588.06/25,513.35
  6. Step 6: Final answer
    x = 27,694.50

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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.