Home / 19,216.56-28,633.81-17,120.46

Finding the Fourth Proportional to 19,216.56, 28,633.81 and 17,120.46

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Solution

The fourth proportional to 19,216.56, 28,633.81 and 17,120.46 is: 25,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.56 : 28,633.81 = 17,120.46 : x
  2. Step 2: Convert to fraction form
    19,216.56/28,633.81 = 17,120.46/x
  3. Step 3: Cross multiply
    19,216.56x = 28,633.81 × 17,120.46
  4. Step 4: Simplify right side
    19,216.56x = 490,223,998.75
  5. Step 5: Solve for x
    x = 490,223,998.75/19,216.56
  6. Step 6: Final answer
    x = 25,510.50

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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.