Home / 14,436.14-21,656.64-5,075.78

Finding the Fourth Proportional to 14,436.14, 21,656.64 and 5,075.78

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Solution

The fourth proportional to 14,436.14, 21,656.64 and 5,075.78 is: 7,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.14 : 21,656.64 = 5,075.78 : x
  2. Step 2: Convert to fraction form
    14,436.14/21,656.64 = 5,075.78/x
  3. Step 3: Cross multiply
    14,436.14x = 21,656.64 × 5,075.78
  4. Step 4: Simplify right side
    14,436.14x = 109,924,340.18
  5. Step 5: Solve for x
    x = 109,924,340.18/14,436.14
  6. Step 6: Final answer
    x = 7,614.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.