Home / 19,243.86-28,868.67-16,760.82

Finding the Fourth Proportional to 19,243.86, 28,868.67 and 16,760.82

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Solution

The fourth proportional to 19,243.86, 28,868.67 and 16,760.82 is: 25,143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.86 : 28,868.67 = 16,760.82 : x
  2. Step 2: Convert to fraction form
    19,243.86/28,868.67 = 16,760.82/x
  3. Step 3: Cross multiply
    19,243.86x = 28,868.67 × 16,760.82
  4. Step 4: Simplify right side
    19,243.86x = 483,862,581.51
  5. Step 5: Solve for x
    x = 483,862,581.51/19,243.86
  6. Step 6: Final answer
    x = 25,143.74

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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.