Home / 19,675.21-27,152.09-10,722.70

Finding the Fourth Proportional to 19,675.21, 27,152.09 and 10,722.70

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Solution

The fourth proportional to 19,675.21, 27,152.09 and 10,722.70 is: 14,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.21 : 27,152.09 = 10,722.70 : x
  2. Step 2: Convert to fraction form
    19,675.21/27,152.09 = 10,722.70/x
  3. Step 3: Cross multiply
    19,675.21x = 27,152.09 × 10,722.70
  4. Step 4: Simplify right side
    19,675.21x = 291,143,715.44
  5. Step 5: Solve for x
    x = 291,143,715.44/19,675.21
  6. Step 6: Final answer
    x = 14,797.49

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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.