Home / 13,827.06-19,082.25-7,858.74

Finding the Fourth Proportional to 13,827.06, 19,082.25 and 7,858.74

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Solution

The fourth proportional to 13,827.06, 19,082.25 and 7,858.74 is: 10,845.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.06 : 19,082.25 = 7,858.74 : x
  2. Step 2: Convert to fraction form
    13,827.06/19,082.25 = 7,858.74/x
  3. Step 3: Cross multiply
    13,827.06x = 19,082.25 × 7,858.74
  4. Step 4: Simplify right side
    13,827.06x = 149,962,441.37
  5. Step 5: Solve for x
    x = 149,962,441.37/13,827.06
  6. Step 6: Final answer
    x = 10,845.58

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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.