Home / 19,620.24-27,075.99-10,667.71

Finding the Fourth Proportional to 19,620.24, 27,075.99 and 10,667.71

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Solution

The fourth proportional to 19,620.24, 27,075.99 and 10,667.71 is: 14,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.24 : 27,075.99 = 10,667.71 : x
  2. Step 2: Convert to fraction form
    19,620.24/27,075.99 = 10,667.71/x
  3. Step 3: Cross multiply
    19,620.24x = 27,075.99 × 10,667.71
  4. Step 4: Simplify right side
    19,620.24x = 288,838,809.28
  5. Step 5: Solve for x
    x = 288,838,809.28/19,620.24
  6. Step 6: Final answer
    x = 14,721.47

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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.