Home / 14,942.54-20,618.22-8,973.08

Finding the Fourth Proportional to 14,942.54, 20,618.22 and 8,973.08

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Solution

The fourth proportional to 14,942.54, 20,618.22 and 8,973.08 is: 12,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.54 : 20,618.22 = 8,973.08 : x
  2. Step 2: Convert to fraction form
    14,942.54/20,618.22 = 8,973.08/x
  3. Step 3: Cross multiply
    14,942.54x = 20,618.22 × 8,973.08
  4. Step 4: Simplify right side
    14,942.54x = 185,008,937.52
  5. Step 5: Solve for x
    x = 185,008,937.52/14,942.54
  6. Step 6: Final answer
    x = 12,381.36

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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.