Home / 25,436.95-35,095.84-20,042.66

Finding the Fourth Proportional to 25,436.95, 35,095.84 and 20,042.66

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Solution

The fourth proportional to 25,436.95, 35,095.84 and 20,042.66 is: 27,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,436.95 : 35,095.84 = 20,042.66 : x
  2. Step 2: Convert to fraction form
    25,436.95/35,095.84 = 20,042.66/x
  3. Step 3: Cross multiply
    25,436.95x = 35,095.84 × 20,042.66
  4. Step 4: Simplify right side
    25,436.95x = 703,413,988.53
  5. Step 5: Solve for x
    x = 703,413,988.53/25,436.95
  6. Step 6: Final answer
    x = 27,653.24

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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.