Home / 19,507.80-26,919.06-11,548.60

Finding the Fourth Proportional to 19,507.80, 26,919.06 and 11,548.60

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Solution

The fourth proportional to 19,507.80, 26,919.06 and 11,548.60 is: 15,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507.80 : 26,919.06 = 11,548.60 : x
  2. Step 2: Convert to fraction form
    19,507.80/26,919.06 = 11,548.60/x
  3. Step 3: Cross multiply
    19,507.80x = 26,919.06 × 11,548.60
  4. Step 4: Simplify right side
    19,507.80x = 310,877,456.32
  5. Step 5: Solve for x
    x = 310,877,456.32/19,507.80
  6. Step 6: Final answer
    x = 15,936.06

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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.