Home / 19,142.30-26,416.46-11,182.84

Finding the Fourth Proportional to 19,142.30, 26,416.46 and 11,182.84

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Solution

The fourth proportional to 19,142.30, 26,416.46 and 11,182.84 is: 15,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.30 : 26,416.46 = 11,182.84 : x
  2. Step 2: Convert to fraction form
    19,142.30/26,416.46 = 11,182.84/x
  3. Step 3: Cross multiply
    19,142.30x = 26,416.46 × 11,182.84
  4. Step 4: Simplify right side
    19,142.30x = 295,411,007.46
  5. Step 5: Solve for x
    x = 295,411,007.46/19,142.30
  6. Step 6: Final answer
    x = 15,432.37

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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.