Home / 26,615.19-36,731.56-19,889.14

Finding the Fourth Proportional to 26,615.19, 36,731.56 and 19,889.14

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Solution

The fourth proportional to 26,615.19, 36,731.56 and 19,889.14 is: 27,448.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.19 : 36,731.56 = 19,889.14 : x
  2. Step 2: Convert to fraction form
    26,615.19/36,731.56 = 19,889.14/x
  3. Step 3: Cross multiply
    26,615.19x = 36,731.56 × 19,889.14
  4. Step 4: Simplify right side
    26,615.19x = 730,558,997.71
  5. Step 5: Solve for x
    x = 730,558,997.71/26,615.19
  6. Step 6: Final answer
    x = 27,448.95

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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.