Home / 25,989.96-35,828.82-18,525

Finding the Fourth Proportional to 25,989.96, 35,828.82 and 18,525

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Solution

The fourth proportional to 25,989.96, 35,828.82 and 18,525 is: 25,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.96 : 35,828.82 = 18,525 : x
  2. Step 2: Convert to fraction form
    25,989.96/35,828.82 = 18,525/x
  3. Step 3: Cross multiply
    25,989.96x = 35,828.82 × 18,525
  4. Step 4: Simplify right side
    25,989.96x = 663,728,890.50
  5. Step 5: Solve for x
    x = 663,728,890.50/25,989.96
  6. Step 6: Final answer
    x = 25,537.90

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Double scale
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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.