Home / 25,181.31-37,777.45-8,315.06

Finding the Fourth Proportional to 25,181.31, 37,777.45 and 8,315.06

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Solution

The fourth proportional to 25,181.31, 37,777.45 and 8,315.06 is: 12,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,181.31 : 37,777.45 = 8,315.06 : x
  2. Step 2: Convert to fraction form
    25,181.31/37,777.45 = 8,315.06/x
  3. Step 3: Cross multiply
    25,181.31x = 37,777.45 × 8,315.06
  4. Step 4: Simplify right side
    25,181.31x = 314,121,581.01
  5. Step 5: Solve for x
    x = 314,121,581.01/25,181.31
  6. Step 6: Final answer
    x = 12,474.40

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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.