Home / 14,973.63-20,656.94-8,682.36

Finding the Fourth Proportional to 14,973.63, 20,656.94 and 8,682.36

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Solution

The fourth proportional to 14,973.63, 20,656.94 and 8,682.36 is: 11,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.63 : 20,656.94 = 8,682.36 : x
  2. Step 2: Convert to fraction form
    14,973.63/20,656.94 = 8,682.36/x
  3. Step 3: Cross multiply
    14,973.63x = 20,656.94 × 8,682.36
  4. Step 4: Simplify right side
    14,973.63x = 179,350,946.17
  5. Step 5: Solve for x
    x = 179,350,946.17/14,973.63
  6. Step 6: Final answer
    x = 11,977.79

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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.