Home / 25,216.39-37,830.15-7,687.59

Finding the Fourth Proportional to 25,216.39, 37,830.15 and 7,687.59

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Solution

The fourth proportional to 25,216.39, 37,830.15 and 7,687.59 is: 11,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,216.39 : 37,830.15 = 7,687.59 : x
  2. Step 2: Convert to fraction form
    25,216.39/37,830.15 = 7,687.59/x
  3. Step 3: Cross multiply
    25,216.39x = 37,830.15 × 7,687.59
  4. Step 4: Simplify right side
    25,216.39x = 290,822,682.84
  5. Step 5: Solve for x
    x = 290,822,682.84/25,216.39
  6. Step 6: Final answer
    x = 11,533.08

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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.