Home / 19,619.76-27,075.47-10,667.47

Finding the Fourth Proportional to 19,619.76, 27,075.47 and 10,667.47

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Solution

The fourth proportional to 19,619.76, 27,075.47 and 10,667.47 is: 14,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.76 : 27,075.47 = 10,667.47 : x
  2. Step 2: Convert to fraction form
    19,619.76/27,075.47 = 10,667.47/x
  3. Step 3: Cross multiply
    19,619.76x = 27,075.47 × 10,667.47
  4. Step 4: Simplify right side
    19,619.76x = 288,826,722.94
  5. Step 5: Solve for x
    x = 288,826,722.94/19,619.76
  6. Step 6: Final answer
    x = 14,721.22

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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.