Home / 14,741.43-20,342.75-8,368.60

Finding the Fourth Proportional to 14,741.43, 20,342.75 and 8,368.60

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Solution

The fourth proportional to 14,741.43, 20,342.75 and 8,368.60 is: 11,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.43 : 20,342.75 = 8,368.60 : x
  2. Step 2: Convert to fraction form
    14,741.43/20,342.75 = 8,368.60/x
  3. Step 3: Cross multiply
    14,741.43x = 20,342.75 × 8,368.60
  4. Step 4: Simplify right side
    14,741.43x = 170,240,283.09
  5. Step 5: Solve for x
    x = 170,240,283.09/14,741.43
  6. Step 6: Final answer
    x = 11,548.43

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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.