Home / 19,620.22-27,075.59-10,667.64

Finding the Fourth Proportional to 19,620.22, 27,075.59 and 10,667.64

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Solution

The fourth proportional to 19,620.22, 27,075.59 and 10,667.64 is: 14,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.22 : 27,075.59 = 10,667.64 : x
  2. Step 2: Convert to fraction form
    19,620.22/27,075.59 = 10,667.64/x
  3. Step 3: Cross multiply
    19,620.22x = 27,075.59 × 10,667.64
  4. Step 4: Simplify right side
    19,620.22x = 288,832,593.57
  5. Step 5: Solve for x
    x = 288,832,593.57/19,620.22
  6. Step 6: Final answer
    x = 14,721.17

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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.