Home / 16,208.91-22,368.47-9,135.33

Finding the Fourth Proportional to 16,208.91, 22,368.47 and 9,135.33

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Solution

The fourth proportional to 16,208.91, 22,368.47 and 9,135.33 is: 12,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208.91 : 22,368.47 = 9,135.33 : x
  2. Step 2: Convert to fraction form
    16,208.91/22,368.47 = 9,135.33/x
  3. Step 3: Cross multiply
    16,208.91x = 22,368.47 × 9,135.33
  4. Step 4: Simplify right side
    16,208.91x = 204,343,402.70
  5. Step 5: Solve for x
    x = 204,343,402.70/16,208.91
  6. Step 6: Final answer
    x = 12,606.86

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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.