Home / 14,017.26-19,343.90-7,729.64

Finding the Fourth Proportional to 14,017.26, 19,343.90 and 7,729.64

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Solution

The fourth proportional to 14,017.26, 19,343.90 and 7,729.64 is: 10,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.26 : 19,343.90 = 7,729.64 : x
  2. Step 2: Convert to fraction form
    14,017.26/19,343.90 = 7,729.64/x
  3. Step 3: Cross multiply
    14,017.26x = 19,343.90 × 7,729.64
  4. Step 4: Simplify right side
    14,017.26x = 149,521,383.20
  5. Step 5: Solve for x
    x = 149,521,383.20/14,017.26
  6. Step 6: Final answer
    x = 10,666.95

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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.