Home / 14,145.93-19,513.26-8,831.52

Finding the Fourth Proportional to 14,145.93, 19,513.26 and 8,831.52

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Solution

The fourth proportional to 14,145.93, 19,513.26 and 8,831.52 is: 12,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.93 : 19,513.26 = 8,831.52 : x
  2. Step 2: Convert to fraction form
    14,145.93/19,513.26 = 8,831.52/x
  3. Step 3: Cross multiply
    14,145.93x = 19,513.26 × 8,831.52
  4. Step 4: Simplify right side
    14,145.93x = 172,331,745.96
  5. Step 5: Solve for x
    x = 172,331,745.96/14,145.93
  6. Step 6: Final answer
    x = 12,182.43

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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.