Home / 19,142.02-26,416.02-11,182.78

Finding the Fourth Proportional to 19,142.02, 26,416.02 and 11,182.78

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Solution

The fourth proportional to 19,142.02, 26,416.02 and 11,182.78 is: 15,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.02 : 26,416.02 = 11,182.78 : x
  2. Step 2: Convert to fraction form
    19,142.02/26,416.02 = 11,182.78/x
  3. Step 3: Cross multiply
    19,142.02x = 26,416.02 × 11,182.78
  4. Step 4: Simplify right side
    19,142.02x = 295,404,540.14
  5. Step 5: Solve for x
    x = 295,404,540.14/19,142.02
  6. Step 6: Final answer
    x = 15,432.26

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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.