Home / 14,987.16-20,682.06-8,273.46

Finding the Fourth Proportional to 14,987.16, 20,682.06 and 8,273.46

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Solution

The fourth proportional to 14,987.16, 20,682.06 and 8,273.46 is: 11,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.16 : 20,682.06 = 8,273.46 : x
  2. Step 2: Convert to fraction form
    14,987.16/20,682.06 = 8,273.46/x
  3. Step 3: Cross multiply
    14,987.16x = 20,682.06 × 8,273.46
  4. Step 4: Simplify right side
    14,987.16x = 171,112,196.13
  5. Step 5: Solve for x
    x = 171,112,196.13/14,987.16
  6. Step 6: Final answer
    x = 11,417.25

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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.