Home / 25,665.88-35,418.53-14,335.53

Finding the Fourth Proportional to 25,665.88, 35,418.53 and 14,335.53

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Solution

The fourth proportional to 25,665.88, 35,418.53 and 14,335.53 is: 19,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.88 : 35,418.53 = 14,335.53 : x
  2. Step 2: Convert to fraction form
    25,665.88/35,418.53 = 14,335.53/x
  3. Step 3: Cross multiply
    25,665.88x = 35,418.53 × 14,335.53
  4. Step 4: Simplify right side
    25,665.88x = 507,743,531.86
  5. Step 5: Solve for x
    x = 507,743,531.86/25,665.88
  6. Step 6: Final answer
    x = 19,782.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.