Home / 13,935.77-19,216.70-10,749.58

Finding the Fourth Proportional to 13,935.77, 19,216.70 and 10,749.58

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Solution

The fourth proportional to 13,935.77, 19,216.70 and 10,749.58 is: 14,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935.77 : 19,216.70 = 10,749.58 : x
  2. Step 2: Convert to fraction form
    13,935.77/19,216.70 = 10,749.58/x
  3. Step 3: Cross multiply
    13,935.77x = 19,216.70 × 10,749.58
  4. Step 4: Simplify right side
    13,935.77x = 206,571,453.99
  5. Step 5: Solve for x
    x = 206,571,453.99/13,935.77
  6. Step 6: Final answer
    x = 14,823.11

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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.