Home / 13,863.94-19,130.02-7,895.73

Finding the Fourth Proportional to 13,863.94, 19,130.02 and 7,895.73

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Solution

The fourth proportional to 13,863.94, 19,130.02 and 7,895.73 is: 10,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.94 : 19,130.02 = 7,895.73 : x
  2. Step 2: Convert to fraction form
    13,863.94/19,130.02 = 7,895.73/x
  3. Step 3: Cross multiply
    13,863.94x = 19,130.02 × 7,895.73
  4. Step 4: Simplify right side
    13,863.94x = 151,045,472.81
  5. Step 5: Solve for x
    x = 151,045,472.81/13,863.94
  6. Step 6: Final answer
    x = 10,894.84

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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.