Home / 19,212.47-28,822.96-5,887.31

Finding the Fourth Proportional to 19,212.47, 28,822.96 and 5,887.31

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Solution

The fourth proportional to 19,212.47, 28,822.96 and 5,887.31 is: 8,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.47 : 28,822.96 = 5,887.31 : x
  2. Step 2: Convert to fraction form
    19,212.47/28,822.96 = 5,887.31/x
  3. Step 3: Cross multiply
    19,212.47x = 28,822.96 × 5,887.31
  4. Step 4: Simplify right side
    19,212.47x = 169,689,661.50
  5. Step 5: Solve for x
    x = 169,689,661.50/19,212.47
  6. Step 6: Final answer
    x = 8,832.27

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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.