Home / 19,679.37-27,156.74-10,726.68

Finding the Fourth Proportional to 19,679.37, 27,156.74 and 10,726.68

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Solution

The fourth proportional to 19,679.37, 27,156.74 and 10,726.68 is: 14,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,679.37 : 27,156.74 = 10,726.68 : x
  2. Step 2: Convert to fraction form
    19,679.37/27,156.74 = 10,726.68/x
  3. Step 3: Cross multiply
    19,679.37x = 27,156.74 × 10,726.68
  4. Step 4: Simplify right side
    19,679.37x = 291,301,659.82
  5. Step 5: Solve for x
    x = 291,301,659.82/19,679.37
  6. Step 6: Final answer
    x = 14,802.39

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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.