Home / 16,259.36-22,429-11,214.68

Finding the Fourth Proportional to 16,259.36, 22,429 and 11,214.68

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Solution

The fourth proportional to 16,259.36, 22,429 and 11,214.68 is: 15,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,259.36 : 22,429 = 11,214.68 : x
  2. Step 2: Convert to fraction form
    16,259.36/22,429 = 11,214.68/x
  3. Step 3: Cross multiply
    16,259.36x = 22,429 × 11,214.68
  4. Step 4: Simplify right side
    16,259.36x = 251,534,057.72
  5. Step 5: Solve for x
    x = 251,534,057.72/16,259.36
  6. Step 6: Final answer
    x = 15,470.11

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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.