Home / 13,859.36-19,114.08-10,835.36

Finding the Fourth Proportional to 13,859.36, 19,114.08 and 10,835.36

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Solution

The fourth proportional to 13,859.36, 19,114.08 and 10,835.36 is: 14,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.36 : 19,114.08 = 10,835.36 : x
  2. Step 2: Convert to fraction form
    13,859.36/19,114.08 = 10,835.36/x
  3. Step 3: Cross multiply
    13,859.36x = 19,114.08 × 10,835.36
  4. Step 4: Simplify right side
    13,859.36x = 207,107,937.87
  5. Step 5: Solve for x
    x = 207,107,937.87/13,859.36
  6. Step 6: Final answer
    x = 14,943.54

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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.