Home / 25,852.59-35,690.78-15,645.53

Finding the Fourth Proportional to 25,852.59, 35,690.78 and 15,645.53

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Solution

The fourth proportional to 25,852.59, 35,690.78 and 15,645.53 is: 21,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,852.59 : 35,690.78 = 15,645.53 : x
  2. Step 2: Convert to fraction form
    25,852.59/35,690.78 = 15,645.53/x
  3. Step 3: Cross multiply
    25,852.59x = 35,690.78 × 15,645.53
  4. Step 4: Simplify right side
    25,852.59x = 558,400,912.53
  5. Step 5: Solve for x
    x = 558,400,912.53/25,852.59
  6. Step 6: Final answer
    x = 21,599.42

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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.