Home / 19,203.12-28,636.56-19,028.16

Finding the Fourth Proportional to 19,203.12, 28,636.56 and 19,028.16

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Solution

The fourth proportional to 19,203.12, 28,636.56 and 19,028.16 is: 28,375.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.12 : 28,636.56 = 19,028.16 : x
  2. Step 2: Convert to fraction form
    19,203.12/28,636.56 = 19,028.16/x
  3. Step 3: Cross multiply
    19,203.12x = 28,636.56 × 19,028.16
  4. Step 4: Simplify right side
    19,203.12x = 544,901,045.53
  5. Step 5: Solve for x
    x = 544,901,045.53/19,203.12
  6. Step 6: Final answer
    x = 28,375.65

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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.