Home / 25,680.96-38,525.10-8,152.32

Finding the Fourth Proportional to 25,680.96, 38,525.10 and 8,152.32

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Solution

The fourth proportional to 25,680.96, 38,525.10 and 8,152.32 is: 12,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.96 : 38,525.10 = 8,152.32 : x
  2. Step 2: Convert to fraction form
    25,680.96/38,525.10 = 8,152.32/x
  3. Step 3: Cross multiply
    25,680.96x = 38,525.10 × 8,152.32
  4. Step 4: Simplify right side
    25,680.96x = 314,068,943.23
  5. Step 5: Solve for x
    x = 314,068,943.23/25,680.96
  6. Step 6: Final answer
    x = 12,229.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.