Home / 14,987.63-20,682.80-8,273.25

Finding the Fourth Proportional to 14,987.63, 20,682.80 and 8,273.25

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Solution

The fourth proportional to 14,987.63, 20,682.80 and 8,273.25 is: 11,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.63 : 20,682.80 = 8,273.25 : x
  2. Step 2: Convert to fraction form
    14,987.63/20,682.80 = 8,273.25/x
  3. Step 3: Cross multiply
    14,987.63x = 20,682.80 × 8,273.25
  4. Step 4: Simplify right side
    14,987.63x = 171,113,975.10
  5. Step 5: Solve for x
    x = 171,113,975.10/14,987.63
  6. Step 6: Final answer
    x = 11,417.02

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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.