Home / 16,660.74-24,939.62-9,145.50

Finding the Fourth Proportional to 16,660.74, 24,939.62 and 9,145.50

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Solution

The fourth proportional to 16,660.74, 24,939.62 and 9,145.50 is: 13,689.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.74 : 24,939.62 = 9,145.50 : x
  2. Step 2: Convert to fraction form
    16,660.74/24,939.62 = 9,145.50/x
  3. Step 3: Cross multiply
    16,660.74x = 24,939.62 × 9,145.50
  4. Step 4: Simplify right side
    16,660.74x = 228,085,294.71
  5. Step 5: Solve for x
    x = 228,085,294.71/16,660.74
  6. Step 6: Final answer
    x = 13,689.99

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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.