Home / 19,375.99-29,063.82-12,831.46

Finding the Fourth Proportional to 19,375.99, 29,063.82 and 12,831.46

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Solution

The fourth proportional to 19,375.99, 29,063.82 and 12,831.46 is: 19,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.99 : 29,063.82 = 12,831.46 : x
  2. Step 2: Convert to fraction form
    19,375.99/29,063.82 = 12,831.46/x
  3. Step 3: Cross multiply
    19,375.99x = 29,063.82 × 12,831.46
  4. Step 4: Simplify right side
    19,375.99x = 372,931,243.78
  5. Step 5: Solve for x
    x = 372,931,243.78/19,375.99
  6. Step 6: Final answer
    x = 19,247.08

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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.