Home / 25,383.78-35,039.39-15,950.52

Finding the Fourth Proportional to 25,383.78, 35,039.39 and 15,950.52

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Solution

The fourth proportional to 25,383.78, 35,039.39 and 15,950.52 is: 22,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.78 : 35,039.39 = 15,950.52 : x
  2. Step 2: Convert to fraction form
    25,383.78/35,039.39 = 15,950.52/x
  3. Step 3: Cross multiply
    25,383.78x = 35,039.39 × 15,950.52
  4. Step 4: Simplify right side
    25,383.78x = 558,896,411.23
  5. Step 5: Solve for x
    x = 558,896,411.23/25,383.78
  6. Step 6: Final answer
    x = 22,017.86

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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.