Home / 19,342.10-26,690.28-10,958.60

Finding the Fourth Proportional to 19,342.10, 26,690.28 and 10,958.60

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Solution

The fourth proportional to 19,342.10, 26,690.28 and 10,958.60 is: 15,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,342.10 : 26,690.28 = 10,958.60 : x
  2. Step 2: Convert to fraction form
    19,342.10/26,690.28 = 10,958.60/x
  3. Step 3: Cross multiply
    19,342.10x = 26,690.28 × 10,958.60
  4. Step 4: Simplify right side
    19,342.10x = 292,488,102.41
  5. Step 5: Solve for x
    x = 292,488,102.41/19,342.10
  6. Step 6: Final answer
    x = 15,121.84

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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.