Home / 25,738.16-35,508.08-15,664.95

Finding the Fourth Proportional to 25,738.16, 35,508.08 and 15,664.95

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Solution

The fourth proportional to 25,738.16, 35,508.08 and 15,664.95 is: 21,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,738.16 : 35,508.08 = 15,664.95 : x
  2. Step 2: Convert to fraction form
    25,738.16/35,508.08 = 15,664.95/x
  3. Step 3: Cross multiply
    25,738.16x = 35,508.08 × 15,664.95
  4. Step 4: Simplify right side
    25,738.16x = 556,232,336.96
  5. Step 5: Solve for x
    x = 556,232,336.96/25,738.16
  6. Step 6: Final answer
    x = 21,611.20

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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.