Home / 14,742.27-20,337.66-9,960.63

Finding the Fourth Proportional to 14,742.27, 20,337.66 and 9,960.63

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Solution

The fourth proportional to 14,742.27, 20,337.66 and 9,960.63 is: 13,741.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.27 : 20,337.66 = 9,960.63 : x
  2. Step 2: Convert to fraction form
    14,742.27/20,337.66 = 9,960.63/x
  3. Step 3: Cross multiply
    14,742.27x = 20,337.66 × 9,960.63
  4. Step 4: Simplify right side
    14,742.27x = 202,575,906.33
  5. Step 5: Solve for x
    x = 202,575,906.33/14,742.27
  6. Step 6: Final answer
    x = 13,741.16

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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.