Home / 25,863.57-35,695.59-15,797.80

Finding the Fourth Proportional to 25,863.57, 35,695.59 and 15,797.80

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Solution

The fourth proportional to 25,863.57, 35,695.59 and 15,797.80 is: 21,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863.57 : 35,695.59 = 15,797.80 : x
  2. Step 2: Convert to fraction form
    25,863.57/35,695.59 = 15,797.80/x
  3. Step 3: Cross multiply
    25,863.57x = 35,695.59 × 15,797.80
  4. Step 4: Simplify right side
    25,863.57x = 563,911,777.08
  5. Step 5: Solve for x
    x = 563,911,777.08/25,863.57
  6. Step 6: Final answer
    x = 21,803.32

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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.