Home / 19,029.47-28,552.41-7,938.35

Finding the Fourth Proportional to 19,029.47, 28,552.41 and 7,938.35

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Solution

The fourth proportional to 19,029.47, 28,552.41 and 7,938.35 is: 11,910.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.47 : 28,552.41 = 7,938.35 : x
  2. Step 2: Convert to fraction form
    19,029.47/28,552.41 = 7,938.35/x
  3. Step 3: Cross multiply
    19,029.47x = 28,552.41 × 7,938.35
  4. Step 4: Simplify right side
    19,029.47x = 226,658,881.16
  5. Step 5: Solve for x
    x = 226,658,881.16/19,029.47
  6. Step 6: Final answer
    x = 11,910.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.