Home / 25,110.63-37,690.25-18,467.55

Finding the Fourth Proportional to 25,110.63, 37,690.25 and 18,467.55

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Solution

The fourth proportional to 25,110.63, 37,690.25 and 18,467.55 is: 27,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.63 : 37,690.25 = 18,467.55 : x
  2. Step 2: Convert to fraction form
    25,110.63/37,690.25 = 18,467.55/x
  3. Step 3: Cross multiply
    25,110.63x = 37,690.25 × 18,467.55
  4. Step 4: Simplify right side
    25,110.63x = 696,046,484.05
  5. Step 5: Solve for x
    x = 696,046,484.05/25,110.63
  6. Step 6: Final answer
    x = 27,719.20

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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.