Home / 12,426.58-18,628.74-4,523.52

Finding the Fourth Proportional to 12,426.58, 18,628.74 and 4,523.52

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Solution

The fourth proportional to 12,426.58, 18,628.74 and 4,523.52 is: 6,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426.58 : 18,628.74 = 4,523.52 : x
  2. Step 2: Convert to fraction form
    12,426.58/18,628.74 = 4,523.52/x
  3. Step 3: Cross multiply
    12,426.58x = 18,628.74 × 4,523.52
  4. Step 4: Simplify right side
    12,426.58x = 84,267,384.82
  5. Step 5: Solve for x
    x = 84,267,384.82/12,426.58
  6. Step 6: Final answer
    x = 6,781.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.