Home / 19,919.02-29,871.54-5,875.31

Finding the Fourth Proportional to 19,919.02, 29,871.54 and 5,875.31

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Solution

The fourth proportional to 19,919.02, 29,871.54 and 5,875.31 is: 8,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,919.02 : 29,871.54 = 5,875.31 : x
  2. Step 2: Convert to fraction form
    19,919.02/29,871.54 = 5,875.31/x
  3. Step 3: Cross multiply
    19,919.02x = 29,871.54 × 5,875.31
  4. Step 4: Simplify right side
    19,919.02x = 175,504,557.68
  5. Step 5: Solve for x
    x = 175,504,557.68/19,919.02
  6. Step 6: Final answer
    x = 8,810.90

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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.