Home / 25,037.58-37,534.47-12,540.09

Finding the Fourth Proportional to 25,037.58, 37,534.47 and 12,540.09

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Solution

The fourth proportional to 25,037.58, 37,534.47 and 12,540.09 is: 18,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,037.58 : 37,534.47 = 12,540.09 : x
  2. Step 2: Convert to fraction form
    25,037.58/37,534.47 = 12,540.09/x
  3. Step 3: Cross multiply
    25,037.58x = 37,534.47 × 12,540.09
  4. Step 4: Simplify right side
    25,037.58x = 470,685,631.90
  5. Step 5: Solve for x
    x = 470,685,631.90/25,037.58
  6. Step 6: Final answer
    x = 18,799.17

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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.