Home / 19,131.56-26,395.02-11,956.58

Finding the Fourth Proportional to 19,131.56, 26,395.02 and 11,956.58

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Solution

The fourth proportional to 19,131.56, 26,395.02 and 11,956.58 is: 16,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.56 : 26,395.02 = 11,956.58 : x
  2. Step 2: Convert to fraction form
    19,131.56/26,395.02 = 11,956.58/x
  3. Step 3: Cross multiply
    19,131.56x = 26,395.02 × 11,956.58
  4. Step 4: Simplify right side
    19,131.56x = 315,594,036.26
  5. Step 5: Solve for x
    x = 315,594,036.26/19,131.56
  6. Step 6: Final answer
    x = 16,496.00

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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.