Home / 14,987.97-20,533.32-14,427.09

Finding the Fourth Proportional to 14,987.97, 20,533.32 and 14,427.09

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Solution

The fourth proportional to 14,987.97, 20,533.32 and 14,427.09 is: 19,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.97 : 20,533.32 = 14,427.09 : x
  2. Step 2: Convert to fraction form
    14,987.97/20,533.32 = 14,427.09/x
  3. Step 3: Cross multiply
    14,987.97x = 20,533.32 × 14,427.09
  4. Step 4: Simplify right side
    14,987.97x = 296,236,055.64
  5. Step 5: Solve for x
    x = 296,236,055.64/14,987.97
  6. Step 6: Final answer
    x = 19,764.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.