Home / 25,158.64-37,735.78-8,518.32

Finding the Fourth Proportional to 25,158.64, 37,735.78 and 8,518.32

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Solution

The fourth proportional to 25,158.64, 37,735.78 and 8,518.32 is: 12,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.64 : 37,735.78 = 8,518.32 : x
  2. Step 2: Convert to fraction form
    25,158.64/37,735.78 = 8,518.32/x
  3. Step 3: Cross multiply
    25,158.64x = 37,735.78 × 8,518.32
  4. Step 4: Simplify right side
    25,158.64x = 321,445,449.49
  5. Step 5: Solve for x
    x = 321,445,449.49/25,158.64
  6. Step 6: Final answer
    x = 12,776.74

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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.