Home / 16,299-22,493.75-9,225.45

Finding the Fourth Proportional to 16,299, 22,493.75 and 9,225.45

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Solution

The fourth proportional to 16,299, 22,493.75 and 9,225.45 is: 12,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,299 : 22,493.75 = 9,225.45 : x
  2. Step 2: Convert to fraction form
    16,299/22,493.75 = 9,225.45/x
  3. Step 3: Cross multiply
    16,299x = 22,493.75 × 9,225.45
  4. Step 4: Simplify right side
    16,299x = 207,514,919.81
  5. Step 5: Solve for x
    x = 207,514,919.81/16,299
  6. Step 6: Final answer
    x = 12,731.76

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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.