Home / 19,072.56-26,320.08-11,620.56

Finding the Fourth Proportional to 19,072.56, 26,320.08 and 11,620.56

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Solution

The fourth proportional to 19,072.56, 26,320.08 and 11,620.56 is: 16,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.56 : 26,320.08 = 11,620.56 : x
  2. Step 2: Convert to fraction form
    19,072.56/26,320.08 = 11,620.56/x
  3. Step 3: Cross multiply
    19,072.56x = 26,320.08 × 11,620.56
  4. Step 4: Simplify right side
    19,072.56x = 305,854,068.84
  5. Step 5: Solve for x
    x = 305,854,068.84/19,072.56
  6. Step 6: Final answer
    x = 16,036.34

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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.