Home / 19,291.51-26,621.20-10,791.99

Finding the Fourth Proportional to 19,291.51, 26,621.20 and 10,791.99

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Solution

The fourth proportional to 19,291.51, 26,621.20 and 10,791.99 is: 14,892.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.51 : 26,621.20 = 10,791.99 : x
  2. Step 2: Convert to fraction form
    19,291.51/26,621.20 = 10,791.99/x
  3. Step 3: Cross multiply
    19,291.51x = 26,621.20 × 10,791.99
  4. Step 4: Simplify right side
    19,291.51x = 287,295,724.19
  5. Step 5: Solve for x
    x = 287,295,724.19/19,291.51
  6. Step 6: Final answer
    x = 14,892.34

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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.