Home / 25,625.36-35,361-15,013.52

Finding the Fourth Proportional to 25,625.36, 35,361 and 15,013.52

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Solution

The fourth proportional to 25,625.36, 35,361 and 15,013.52 is: 20,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.36 : 35,361 = 15,013.52 : x
  2. Step 2: Convert to fraction form
    25,625.36/35,361 = 15,013.52/x
  3. Step 3: Cross multiply
    25,625.36x = 35,361 × 15,013.52
  4. Step 4: Simplify right side
    25,625.36x = 530,893,080.72
  5. Step 5: Solve for x
    x = 530,893,080.72/25,625.36
  6. Step 6: Final answer
    x = 20,717.49

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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.