Home / 13,858.60-19,129.38-10,333.48

Finding the Fourth Proportional to 13,858.60, 19,129.38 and 10,333.48

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Solution

The fourth proportional to 13,858.60, 19,129.38 and 10,333.48 is: 14,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.60 : 19,129.38 = 10,333.48 : x
  2. Step 2: Convert to fraction form
    13,858.60/19,129.38 = 10,333.48/x
  3. Step 3: Cross multiply
    13,858.60x = 19,129.38 × 10,333.48
  4. Step 4: Simplify right side
    13,858.60x = 197,673,065.64
  5. Step 5: Solve for x
    x = 197,673,065.64/13,858.60
  6. Step 6: Final answer
    x = 14,263.57

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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.