Home / 14,853.28-20,493.06-12,983.80

Finding the Fourth Proportional to 14,853.28, 20,493.06 and 12,983.80

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Solution

The fourth proportional to 14,853.28, 20,493.06 and 12,983.80 is: 17,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,853.28 : 20,493.06 = 12,983.80 : x
  2. Step 2: Convert to fraction form
    14,853.28/20,493.06 = 12,983.80/x
  3. Step 3: Cross multiply
    14,853.28x = 20,493.06 × 12,983.80
  4. Step 4: Simplify right side
    14,853.28x = 266,077,792.43
  5. Step 5: Solve for x
    x = 266,077,792.43/14,853.28
  6. Step 6: Final answer
    x = 17,913.74

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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.