Home / 19,620.10-27,075.69-10,667.58

Finding the Fourth Proportional to 19,620.10, 27,075.69 and 10,667.58

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Solution

The fourth proportional to 19,620.10, 27,075.69 and 10,667.58 is: 14,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.10 : 27,075.69 = 10,667.58 : x
  2. Step 2: Convert to fraction form
    19,620.10/27,075.69 = 10,667.58/x
  3. Step 3: Cross multiply
    19,620.10x = 27,075.69 × 10,667.58
  4. Step 4: Simplify right side
    19,620.10x = 288,832,043.99
  5. Step 5: Solve for x
    x = 288,832,043.99/19,620.10
  6. Step 6: Final answer
    x = 14,721.24

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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.