Home / 25,741.90-35,524.20-15,670.77

Finding the Fourth Proportional to 25,741.90, 35,524.20 and 15,670.77

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Solution

The fourth proportional to 25,741.90, 35,524.20 and 15,670.77 is: 21,625.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,741.90 : 35,524.20 = 15,670.77 : x
  2. Step 2: Convert to fraction form
    25,741.90/35,524.20 = 15,670.77/x
  3. Step 3: Cross multiply
    25,741.90x = 35,524.20 × 15,670.77
  4. Step 4: Simplify right side
    25,741.90x = 556,691,567.63
  5. Step 5: Solve for x
    x = 556,691,567.63/25,741.90
  6. Step 6: Final answer
    x = 21,625.89

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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.