Home / 19,331.05-26,679.07-10,835.47

Finding the Fourth Proportional to 19,331.05, 26,679.07 and 10,835.47

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Solution

The fourth proportional to 19,331.05, 26,679.07 and 10,835.47 is: 14,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.05 : 26,679.07 = 10,835.47 : x
  2. Step 2: Convert to fraction form
    19,331.05/26,679.07 = 10,835.47/x
  3. Step 3: Cross multiply
    19,331.05x = 26,679.07 × 10,835.47
  4. Step 4: Simplify right side
    19,331.05x = 289,080,262.61
  5. Step 5: Solve for x
    x = 289,080,262.61/19,331.05
  6. Step 6: Final answer
    x = 14,954.19

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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.