Home / 22,126.20-30,534-12,054.60

Finding the Fourth Proportional to 22,126.20, 30,534 and 12,054.60

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Solution

The fourth proportional to 22,126.20, 30,534 and 12,054.60 is: 16,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.20 : 30,534 = 12,054.60 : x
  2. Step 2: Convert to fraction form
    22,126.20/30,534 = 12,054.60/x
  3. Step 3: Cross multiply
    22,126.20x = 30,534 × 12,054.60
  4. Step 4: Simplify right side
    22,126.20x = 368,075,156.40
  5. Step 5: Solve for x
    x = 368,075,156.40/22,126.20
  6. Step 6: Final answer
    x = 16,635.26

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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.