Home / 25,288.72-37,900.44-12,113.68

Finding the Fourth Proportional to 25,288.72, 37,900.44 and 12,113.68

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Solution

The fourth proportional to 25,288.72, 37,900.44 and 12,113.68 is: 18,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288.72 : 37,900.44 = 12,113.68 : x
  2. Step 2: Convert to fraction form
    25,288.72/37,900.44 = 12,113.68/x
  3. Step 3: Cross multiply
    25,288.72x = 37,900.44 × 12,113.68
  4. Step 4: Simplify right side
    25,288.72x = 459,113,802.02
  5. Step 5: Solve for x
    x = 459,113,802.02/25,288.72
  6. Step 6: Final answer
    x = 18,154.88

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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.