Home / 14,142.48-21,169.40-9,734.16

Finding the Fourth Proportional to 14,142.48, 21,169.40 and 9,734.16

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Solution

The fourth proportional to 14,142.48, 21,169.40 and 9,734.16 is: 14,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.48 : 21,169.40 = 9,734.16 : x
  2. Step 2: Convert to fraction form
    14,142.48/21,169.40 = 9,734.16/x
  3. Step 3: Cross multiply
    14,142.48x = 21,169.40 × 9,734.16
  4. Step 4: Simplify right side
    14,142.48x = 206,066,326.70
  5. Step 5: Solve for x
    x = 206,066,326.70/14,142.48
  6. Step 6: Final answer
    x = 14,570.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.