Home / 19,072.96-26,320.72-10,689.44

Finding the Fourth Proportional to 19,072.96, 26,320.72 and 10,689.44

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Solution

The fourth proportional to 19,072.96, 26,320.72 and 10,689.44 is: 14,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.96 : 26,320.72 = 10,689.44 : x
  2. Step 2: Convert to fraction form
    19,072.96/26,320.72 = 10,689.44/x
  3. Step 3: Cross multiply
    19,072.96x = 26,320.72 × 10,689.44
  4. Step 4: Simplify right side
    19,072.96x = 281,353,757.20
  5. Step 5: Solve for x
    x = 281,353,757.20/19,072.96
  6. Step 6: Final answer
    x = 14,751.45

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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.