Home / 19,051.68-26,287.92-10,666.56

Finding the Fourth Proportional to 19,051.68, 26,287.92 and 10,666.56

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Solution

The fourth proportional to 19,051.68, 26,287.92 and 10,666.56 is: 14,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.68 : 26,287.92 = 10,666.56 : x
  2. Step 2: Convert to fraction form
    19,051.68/26,287.92 = 10,666.56/x
  3. Step 3: Cross multiply
    19,051.68x = 26,287.92 × 10,666.56
  4. Step 4: Simplify right side
    19,051.68x = 280,401,675.96
  5. Step 5: Solve for x
    x = 280,401,675.96/19,051.68
  6. Step 6: Final answer
    x = 14,717.95

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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.