Home / 25,718.77-35,512.04-19,740.97

Finding the Fourth Proportional to 25,718.77, 35,512.04 and 19,740.97

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Solution

The fourth proportional to 25,718.77, 35,512.04 and 19,740.97 is: 27,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.77 : 35,512.04 = 19,740.97 : x
  2. Step 2: Convert to fraction form
    25,718.77/35,512.04 = 19,740.97/x
  3. Step 3: Cross multiply
    25,718.77x = 35,512.04 × 19,740.97
  4. Step 4: Simplify right side
    25,718.77x = 701,042,116.28
  5. Step 5: Solve for x
    x = 701,042,116.28/25,718.77
  6. Step 6: Final answer
    x = 27,258.00

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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.