Home / 19,554.95-29,190.81-17,190.36

Finding the Fourth Proportional to 19,554.95, 29,190.81 and 17,190.36

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Solution

The fourth proportional to 19,554.95, 29,190.81 and 17,190.36 is: 25,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.95 : 29,190.81 = 17,190.36 : x
  2. Step 2: Convert to fraction form
    19,554.95/29,190.81 = 17,190.36/x
  3. Step 3: Cross multiply
    19,554.95x = 29,190.81 × 17,190.36
  4. Step 4: Simplify right side
    19,554.95x = 501,800,597.06
  5. Step 5: Solve for x
    x = 501,800,597.06/19,554.95
  6. Step 6: Final answer
    x = 25,661.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.