Home / 19,395.11-26,762.02-11,438.91

Finding the Fourth Proportional to 19,395.11, 26,762.02 and 11,438.91

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Solution

The fourth proportional to 19,395.11, 26,762.02 and 11,438.91 is: 15,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.11 : 26,762.02 = 11,438.91 : x
  2. Step 2: Convert to fraction form
    19,395.11/26,762.02 = 11,438.91/x
  3. Step 3: Cross multiply
    19,395.11x = 26,762.02 × 11,438.91
  4. Step 4: Simplify right side
    19,395.11x = 306,128,309.60
  5. Step 5: Solve for x
    x = 306,128,309.60/19,395.11
  6. Step 6: Final answer
    x = 15,783.79

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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.