Home / 25,788.08-35,580.89-15,175.72

Finding the Fourth Proportional to 25,788.08, 35,580.89 and 15,175.72

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Solution

The fourth proportional to 25,788.08, 35,580.89 and 15,175.72 is: 20,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,788.08 : 35,580.89 = 15,175.72 : x
  2. Step 2: Convert to fraction form
    25,788.08/35,580.89 = 15,175.72/x
  3. Step 3: Cross multiply
    25,788.08x = 35,580.89 × 15,175.72
  4. Step 4: Simplify right side
    25,788.08x = 539,965,623.99
  5. Step 5: Solve for x
    x = 539,965,623.99/25,788.08
  6. Step 6: Final answer
    x = 20,938.57

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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.