Home / 25,696.96-35,465.88-15,628.60

Finding the Fourth Proportional to 25,696.96, 35,465.88 and 15,628.60

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Solution

The fourth proportional to 25,696.96, 35,465.88 and 15,628.60 is: 21,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.96 : 35,465.88 = 15,628.60 : x
  2. Step 2: Convert to fraction form
    25,696.96/35,465.88 = 15,628.60/x
  3. Step 3: Cross multiply
    25,696.96x = 35,465.88 × 15,628.60
  4. Step 4: Simplify right side
    25,696.96x = 554,282,052.17
  5. Step 5: Solve for x
    x = 554,282,052.17/25,696.96
  6. Step 6: Final answer
    x = 21,569.95

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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.