Home / 13,801.41-19,047.66-7,835.01

Finding the Fourth Proportional to 13,801.41, 19,047.66 and 7,835.01

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Solution

The fourth proportional to 13,801.41, 19,047.66 and 7,835.01 is: 10,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.41 : 19,047.66 = 7,835.01 : x
  2. Step 2: Convert to fraction form
    13,801.41/19,047.66 = 7,835.01/x
  3. Step 3: Cross multiply
    13,801.41x = 19,047.66 × 7,835.01
  4. Step 4: Simplify right side
    13,801.41x = 149,238,606.58
  5. Step 5: Solve for x
    x = 149,238,606.58/13,801.41
  6. Step 6: Final answer
    x = 10,813.29

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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.