Home / 19,142.75-26,416.17-10,645.44

Finding the Fourth Proportional to 19,142.75, 26,416.17 and 10,645.44

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Solution

The fourth proportional to 19,142.75, 26,416.17 and 10,645.44 is: 14,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.75 : 26,416.17 = 10,645.44 : x
  2. Step 2: Convert to fraction form
    19,142.75/26,416.17 = 10,645.44/x
  3. Step 3: Cross multiply
    19,142.75x = 26,416.17 × 10,645.44
  4. Step 4: Simplify right side
    19,142.75x = 281,211,752.76
  5. Step 5: Solve for x
    x = 281,211,752.76/19,142.75
  6. Step 6: Final answer
    x = 14,690.25

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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.