Home / 25,522.17-35,212.47-15,447.39

Finding the Fourth Proportional to 25,522.17, 35,212.47 and 15,447.39

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Solution

The fourth proportional to 25,522.17, 35,212.47 and 15,447.39 is: 21,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.17 : 35,212.47 = 15,447.39 : x
  2. Step 2: Convert to fraction form
    25,522.17/35,212.47 = 15,447.39/x
  3. Step 3: Cross multiply
    25,522.17x = 35,212.47 × 15,447.39
  4. Step 4: Simplify right side
    25,522.17x = 543,940,756.95
  5. Step 5: Solve for x
    x = 543,940,756.95/25,522.17
  6. Step 6: Final answer
    x = 21,312.48

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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.