Home / 25,021.78-37,531.05-9,439.00

Finding the Fourth Proportional to 25,021.78, 37,531.05 and 9,439.00

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Solution

The fourth proportional to 25,021.78, 37,531.05 and 9,439.00 is: 14,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,021.78 : 37,531.05 = 9,439.00 : x
  2. Step 2: Convert to fraction form
    25,021.78/37,531.05 = 9,439.00/x
  3. Step 3: Cross multiply
    25,021.78x = 37,531.05 × 9,439.00
  4. Step 4: Simplify right side
    25,021.78x = 354,255,451.73
  5. Step 5: Solve for x
    x = 354,255,451.73/25,021.78
  6. Step 6: Final answer
    x = 14,157.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.