Home / 30,625.26-45,916.17-11,889.50

Finding the Fourth Proportional to 30,625.26, 45,916.17 and 11,889.50

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Solution

The fourth proportional to 30,625.26, 45,916.17 and 11,889.50 is: 17,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.26 : 45,916.17 = 11,889.50 : x
  2. Step 2: Convert to fraction form
    30,625.26/45,916.17 = 11,889.50/x
  3. Step 3: Cross multiply
    30,625.26x = 45,916.17 × 11,889.50
  4. Step 4: Simplify right side
    30,625.26x = 545,920,287.33
  5. Step 5: Solve for x
    x = 545,920,287.33/30,625.26
  6. Step 6: Final answer
    x = 17,825.82

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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.