Home / 25,436.96-35,110.32-15,363.80

Finding the Fourth Proportional to 25,436.96, 35,110.32 and 15,363.80

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Solution

The fourth proportional to 25,436.96, 35,110.32 and 15,363.80 is: 21,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.96 : 35,110.32 = 15,363.80 : x
  2. Step 2: Convert to fraction form
    25,436.96/35,110.32 = 15,363.80/x
  3. Step 3: Cross multiply
    25,436.96x = 35,110.32 × 15,363.80
  4. Step 4: Simplify right side
    25,436.96x = 539,427,934.42
  5. Step 5: Solve for x
    x = 539,427,934.42/25,436.96
  6. Step 6: Final answer
    x = 21,206.46

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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.