Home / 25,209.88-37,820.46-7,681.08

Finding the Fourth Proportional to 25,209.88, 37,820.46 and 7,681.08

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Solution

The fourth proportional to 25,209.88, 37,820.46 and 7,681.08 is: 11,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,209.88 : 37,820.46 = 7,681.08 : x
  2. Step 2: Convert to fraction form
    25,209.88/37,820.46 = 7,681.08/x
  3. Step 3: Cross multiply
    25,209.88x = 37,820.46 × 7,681.08
  4. Step 4: Simplify right side
    25,209.88x = 290,501,978.90
  5. Step 5: Solve for x
    x = 290,501,978.90/25,209.88
  6. Step 6: Final answer
    x = 11,523.34

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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.