Home / 37,715.08-56,579.92-12,759.20

Finding the Fourth Proportional to 37,715.08, 56,579.92 and 12,759.20

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Solution

The fourth proportional to 37,715.08, 56,579.92 and 12,759.20 is: 19,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,715.08 : 56,579.92 = 12,759.20 : x
  2. Step 2: Convert to fraction form
    37,715.08/56,579.92 = 12,759.20/x
  3. Step 3: Cross multiply
    37,715.08x = 56,579.92 × 12,759.20
  4. Step 4: Simplify right side
    37,715.08x = 721,914,253.51
  5. Step 5: Solve for x
    x = 721,914,253.51/37,715.08
  6. Step 6: Final answer
    x = 19,141.26

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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.