Home / 19,619.96-27,075.84-10,667.48

Finding the Fourth Proportional to 19,619.96, 27,075.84 and 10,667.48

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Solution

The fourth proportional to 19,619.96, 27,075.84 and 10,667.48 is: 14,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.96 : 27,075.84 = 10,667.48 : x
  2. Step 2: Convert to fraction form
    19,619.96/27,075.84 = 10,667.48/x
  3. Step 3: Cross multiply
    19,619.96x = 27,075.84 × 10,667.48
  4. Step 4: Simplify right side
    19,619.96x = 288,830,981.68
  5. Step 5: Solve for x
    x = 288,830,981.68/19,619.96
  6. Step 6: Final answer
    x = 14,721.28

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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.