Home / 16,130-22,236.36-11,425.04

Finding the Fourth Proportional to 16,130, 22,236.36 and 11,425.04

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Solution

The fourth proportional to 16,130, 22,236.36 and 11,425.04 is: 15,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130 : 22,236.36 = 11,425.04 : x
  2. Step 2: Convert to fraction form
    16,130/22,236.36 = 11,425.04/x
  3. Step 3: Cross multiply
    16,130x = 22,236.36 × 11,425.04
  4. Step 4: Simplify right side
    16,130x = 254,051,302.45
  5. Step 5: Solve for x
    x = 254,051,302.45/16,130
  6. Step 6: Final answer
    x = 15,750.24

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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.