Home / 19,679.32-27,157.44-10,726.84

Finding the Fourth Proportional to 19,679.32, 27,157.44 and 10,726.84

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Solution

The fourth proportional to 19,679.32, 27,157.44 and 10,726.84 is: 14,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.32 : 27,157.44 = 10,726.84 : x
  2. Step 2: Convert to fraction form
    19,679.32/27,157.44 = 10,726.84/x
  3. Step 3: Cross multiply
    19,679.32x = 27,157.44 × 10,726.84
  4. Step 4: Simplify right side
    19,679.32x = 291,313,513.69
  5. Step 5: Solve for x
    x = 291,313,513.69/19,679.32
  6. Step 6: Final answer
    x = 14,803.03

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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.