Home / 14,942.15-20,620.23-8,973.92

Finding the Fourth Proportional to 14,942.15, 20,620.23 and 8,973.92

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Solution

The fourth proportional to 14,942.15, 20,620.23 and 8,973.92 is: 12,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.15 : 20,620.23 = 8,973.92 : x
  2. Step 2: Convert to fraction form
    14,942.15/20,620.23 = 8,973.92/x
  3. Step 3: Cross multiply
    14,942.15x = 20,620.23 × 8,973.92
  4. Step 4: Simplify right side
    14,942.15x = 185,044,362.78
  5. Step 5: Solve for x
    x = 185,044,362.78/14,942.15
  6. Step 6: Final answer
    x = 12,384.05

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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.