Home / 14,021.42-19,343.48-8,051.72

Finding the Fourth Proportional to 14,021.42, 19,343.48 and 8,051.72

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Solution

The fourth proportional to 14,021.42, 19,343.48 and 8,051.72 is: 11,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.42 : 19,343.48 = 8,051.72 : x
  2. Step 2: Convert to fraction form
    14,021.42/19,343.48 = 8,051.72/x
  3. Step 3: Cross multiply
    14,021.42x = 19,343.48 × 8,051.72
  4. Step 4: Simplify right side
    14,021.42x = 155,748,284.79
  5. Step 5: Solve for x
    x = 155,748,284.79/14,021.42
  6. Step 6: Final answer
    x = 11,107.88

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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.