Home / 25,331.74-38,001.69-7,801.56

Finding the Fourth Proportional to 25,331.74, 38,001.69 and 7,801.56

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Solution

The fourth proportional to 25,331.74, 38,001.69 and 7,801.56 is: 11,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.74 : 38,001.69 = 7,801.56 : x
  2. Step 2: Convert to fraction form
    25,331.74/38,001.69 = 7,801.56/x
  3. Step 3: Cross multiply
    25,331.74x = 38,001.69 × 7,801.56
  4. Step 4: Simplify right side
    25,331.74x = 296,472,464.64
  5. Step 5: Solve for x
    x = 296,472,464.64/25,331.74
  6. Step 6: Final answer
    x = 11,703.60

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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.