Home / 19,107.53-28,467.59-18,166.46

Finding the Fourth Proportional to 19,107.53, 28,467.59 and 18,166.46

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Solution

The fourth proportional to 19,107.53, 28,467.59 and 18,166.46 is: 27,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.53 : 28,467.59 = 18,166.46 : x
  2. Step 2: Convert to fraction form
    19,107.53/28,467.59 = 18,166.46/x
  3. Step 3: Cross multiply
    19,107.53x = 28,467.59 × 18,166.46
  4. Step 4: Simplify right side
    19,107.53x = 517,155,415.27
  5. Step 5: Solve for x
    x = 517,155,415.27/19,107.53
  6. Step 6: Final answer
    x = 27,065.53

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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.