Home / 16,666.36-22,999.26-9,214.36

Finding the Fourth Proportional to 16,666.36, 22,999.26 and 9,214.36

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Solution

The fourth proportional to 16,666.36, 22,999.26 and 9,214.36 is: 12,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,666.36 : 22,999.26 = 9,214.36 : x
  2. Step 2: Convert to fraction form
    16,666.36/22,999.26 = 9,214.36/x
  3. Step 3: Cross multiply
    16,666.36x = 22,999.26 × 9,214.36
  4. Step 4: Simplify right side
    16,666.36x = 211,923,461.37
  5. Step 5: Solve for x
    x = 211,923,461.37/16,666.36
  6. Step 6: Final answer
    x = 12,715.64

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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.