Home / 13,847.81-19,103.45-10,069.31

Finding the Fourth Proportional to 13,847.81, 19,103.45 and 10,069.31

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Solution

The fourth proportional to 13,847.81, 19,103.45 and 10,069.31 is: 13,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.81 : 19,103.45 = 10,069.31 : x
  2. Step 2: Convert to fraction form
    13,847.81/19,103.45 = 10,069.31/x
  3. Step 3: Cross multiply
    13,847.81x = 19,103.45 × 10,069.31
  4. Step 4: Simplify right side
    13,847.81x = 192,358,557.53
  5. Step 5: Solve for x
    x = 192,358,557.53/13,847.81
  6. Step 6: Final answer
    x = 13,890.90

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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.