Home / 19,678.02-29,512.89-7,203.93

Finding the Fourth Proportional to 19,678.02, 29,512.89 and 7,203.93

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Solution

The fourth proportional to 19,678.02, 29,512.89 and 7,203.93 is: 10,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.02 : 29,512.89 = 7,203.93 : x
  2. Step 2: Convert to fraction form
    19,678.02/29,512.89 = 7,203.93/x
  3. Step 3: Cross multiply
    19,678.02x = 29,512.89 × 7,203.93
  4. Step 4: Simplify right side
    19,678.02x = 212,608,793.66
  5. Step 5: Solve for x
    x = 212,608,793.66/19,678.02
  6. Step 6: Final answer
    x = 10,804.38

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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.