Home / 25,701.72-35,453.58-15,089.30

Finding the Fourth Proportional to 25,701.72, 35,453.58 and 15,089.30

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Solution

The fourth proportional to 25,701.72, 35,453.58 and 15,089.30 is: 20,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,701.72 : 35,453.58 = 15,089.30 : x
  2. Step 2: Convert to fraction form
    25,701.72/35,453.58 = 15,089.30/x
  3. Step 3: Cross multiply
    25,701.72x = 35,453.58 × 15,089.30
  4. Step 4: Simplify right side
    25,701.72x = 534,969,603.79
  5. Step 5: Solve for x
    x = 534,969,603.79/25,701.72
  6. Step 6: Final answer
    x = 20,814.55

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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.