Home / 19,142.94-28,769.67-17,814.12

Finding the Fourth Proportional to 19,142.94, 28,769.67 and 17,814.12

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Solution

The fourth proportional to 19,142.94, 28,769.67 and 17,814.12 is: 26,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.94 : 28,769.67 = 17,814.12 : x
  2. Step 2: Convert to fraction form
    19,142.94/28,769.67 = 17,814.12/x
  3. Step 3: Cross multiply
    19,142.94x = 28,769.67 × 17,814.12
  4. Step 4: Simplify right side
    19,142.94x = 512,506,353.74
  5. Step 5: Solve for x
    x = 512,506,353.74/19,142.94
  6. Step 6: Final answer
    x = 26,772.60

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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.