Home / 14,362.62-19,820.79-8,075.22

Finding the Fourth Proportional to 14,362.62, 19,820.79 and 8,075.22

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Solution

The fourth proportional to 14,362.62, 19,820.79 and 8,075.22 is: 11,144.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,362.62 : 19,820.79 = 8,075.22 : x
  2. Step 2: Convert to fraction form
    14,362.62/19,820.79 = 8,075.22/x
  3. Step 3: Cross multiply
    14,362.62x = 19,820.79 × 8,075.22
  4. Step 4: Simplify right side
    14,362.62x = 160,057,239.82
  5. Step 5: Solve for x
    x = 160,057,239.82/14,362.62
  6. Step 6: Final answer
    x = 11,144.01

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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.