Home / 14,026.42-19,356.51-7,738.75

Finding the Fourth Proportional to 14,026.42, 19,356.51 and 7,738.75

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Solution

The fourth proportional to 14,026.42, 19,356.51 and 7,738.75 is: 10,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,026.42 : 19,356.51 = 7,738.75 : x
  2. Step 2: Convert to fraction form
    14,026.42/19,356.51 = 7,738.75/x
  3. Step 3: Cross multiply
    14,026.42x = 19,356.51 × 7,738.75
  4. Step 4: Simplify right side
    14,026.42x = 149,795,191.76
  5. Step 5: Solve for x
    x = 149,795,191.76/14,026.42
  6. Step 6: Final answer
    x = 10,679.50

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Half scale
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Double scale
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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.