Home / 18,315.56-25,276.44-11,598.74

Finding the Fourth Proportional to 18,315.56, 25,276.44 and 11,598.74

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Solution

The fourth proportional to 18,315.56, 25,276.44 and 11,598.74 is: 16,006.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,315.56 : 25,276.44 = 11,598.74 : x
  2. Step 2: Convert to fraction form
    18,315.56/25,276.44 = 11,598.74/x
  3. Step 3: Cross multiply
    18,315.56x = 25,276.44 × 11,598.74
  4. Step 4: Simplify right side
    18,315.56x = 293,174,855.69
  5. Step 5: Solve for x
    x = 293,174,855.69/18,315.56
  6. Step 6: Final answer
    x = 16,006.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.