Home / 22,075.22-30,464.03-12,643.58

Finding the Fourth Proportional to 22,075.22, 30,464.03 and 12,643.58

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Solution

The fourth proportional to 22,075.22, 30,464.03 and 12,643.58 is: 17,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.22 : 30,464.03 = 12,643.58 : x
  2. Step 2: Convert to fraction form
    22,075.22/30,464.03 = 12,643.58/x
  3. Step 3: Cross multiply
    22,075.22x = 30,464.03 × 12,643.58
  4. Step 4: Simplify right side
    22,075.22x = 385,174,400.43
  5. Step 5: Solve for x
    x = 385,174,400.43/22,075.22
  6. Step 6: Final answer
    x = 17,448.27

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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.