Home / 14,773.46-20,391.26-8,403.80

Finding the Fourth Proportional to 14,773.46, 20,391.26 and 8,403.80

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Solution

The fourth proportional to 14,773.46, 20,391.26 and 8,403.80 is: 11,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.46 : 20,391.26 = 8,403.80 : x
  2. Step 2: Convert to fraction form
    14,773.46/20,391.26 = 8,403.80/x
  3. Step 3: Cross multiply
    14,773.46x = 20,391.26 × 8,403.80
  4. Step 4: Simplify right side
    14,773.46x = 171,363,926.81
  5. Step 5: Solve for x
    x = 171,363,926.81/14,773.46
  6. Step 6: Final answer
    x = 11,599.45

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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.