Home / 14,173.43-19,555.27-9,140.53

Finding the Fourth Proportional to 14,173.43, 19,555.27 and 9,140.53

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Solution

The fourth proportional to 14,173.43, 19,555.27 and 9,140.53 is: 12,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.43 : 19,555.27 = 9,140.53 : x
  2. Step 2: Convert to fraction form
    14,173.43/19,555.27 = 9,140.53/x
  3. Step 3: Cross multiply
    14,173.43x = 19,555.27 × 9,140.53
  4. Step 4: Simplify right side
    14,173.43x = 178,745,460.35
  5. Step 5: Solve for x
    x = 178,745,460.35/14,173.43
  6. Step 6: Final answer
    x = 12,611.31

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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.