Home / 14,142.48-19,523.94-9,969.36

Finding the Fourth Proportional to 14,142.48, 19,523.94 and 9,969.36

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Solution

The fourth proportional to 14,142.48, 19,523.94 and 9,969.36 is: 13,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.48 : 19,523.94 = 9,969.36 : x
  2. Step 2: Convert to fraction form
    14,142.48/19,523.94 = 9,969.36/x
  3. Step 3: Cross multiply
    14,142.48x = 19,523.94 × 9,969.36
  4. Step 4: Simplify right side
    14,142.48x = 194,641,186.48
  5. Step 5: Solve for x
    x = 194,641,186.48/14,142.48
  6. Step 6: Final answer
    x = 13,762.88

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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.