Home / 25,942.82-35,801.13-15,337.70

Finding the Fourth Proportional to 25,942.82, 35,801.13 and 15,337.70

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Solution

The fourth proportional to 25,942.82, 35,801.13 and 15,337.70 is: 21,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.82 : 35,801.13 = 15,337.70 : x
  2. Step 2: Convert to fraction form
    25,942.82/35,801.13 = 15,337.70/x
  3. Step 3: Cross multiply
    25,942.82x = 35,801.13 × 15,337.70
  4. Step 4: Simplify right side
    25,942.82x = 549,106,991.60
  5. Step 5: Solve for x
    x = 549,106,991.60/25,942.82
  6. Step 6: Final answer
    x = 21,166.05

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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.