Home / 25,151.58-37,720.62-11,977.74

Finding the Fourth Proportional to 25,151.58, 37,720.62 and 11,977.74

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Solution

The fourth proportional to 25,151.58, 37,720.62 and 11,977.74 is: 17,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.58 : 37,720.62 = 11,977.74 : x
  2. Step 2: Convert to fraction form
    25,151.58/37,720.62 = 11,977.74/x
  3. Step 3: Cross multiply
    25,151.58x = 37,720.62 × 11,977.74
  4. Step 4: Simplify right side
    25,151.58x = 451,807,779.00
  5. Step 5: Solve for x
    x = 451,807,779.00/25,151.58
  6. Step 6: Final answer
    x = 17,963.40

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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.