Home / 19,121.59-26,390.44-11,164.08

Finding the Fourth Proportional to 19,121.59, 26,390.44 and 11,164.08

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Solution

The fourth proportional to 19,121.59, 26,390.44 and 11,164.08 is: 15,407.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.59 : 26,390.44 = 11,164.08 : x
  2. Step 2: Convert to fraction form
    19,121.59/26,390.44 = 11,164.08/x
  3. Step 3: Cross multiply
    19,121.59x = 26,390.44 × 11,164.08
  4. Step 4: Simplify right side
    19,121.59x = 294,624,983.40
  5. Step 5: Solve for x
    x = 294,624,983.40/19,121.59
  6. Step 6: Final answer
    x = 15,407.98

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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.