Home / 19,036.11-26,268.87-10,422.06

Finding the Fourth Proportional to 19,036.11, 26,268.87 and 10,422.06

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Solution

The fourth proportional to 19,036.11, 26,268.87 and 10,422.06 is: 14,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.11 : 26,268.87 = 10,422.06 : x
  2. Step 2: Convert to fraction form
    19,036.11/26,268.87 = 10,422.06/x
  3. Step 3: Cross multiply
    19,036.11x = 26,268.87 × 10,422.06
  4. Step 4: Simplify right side
    19,036.11x = 273,775,739.27
  5. Step 5: Solve for x
    x = 273,775,739.27/19,036.11
  6. Step 6: Final answer
    x = 14,381.92

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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.