Home / 14,987.73-20,683.07-8,273.36

Finding the Fourth Proportional to 14,987.73, 20,683.07 and 8,273.36

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Solution

The fourth proportional to 14,987.73, 20,683.07 and 8,273.36 is: 11,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.73 : 20,683.07 = 8,273.36 : x
  2. Step 2: Convert to fraction form
    14,987.73/20,683.07 = 8,273.36/x
  3. Step 3: Cross multiply
    14,987.73x = 20,683.07 × 8,273.36
  4. Step 4: Simplify right side
    14,987.73x = 171,118,432.31
  5. Step 5: Solve for x
    x = 171,118,432.31/14,987.73
  6. Step 6: Final answer
    x = 11,417.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.