Home / 13,845.04-19,106.22-7,557.46

Finding the Fourth Proportional to 13,845.04, 19,106.22 and 7,557.46

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Solution

The fourth proportional to 13,845.04, 19,106.22 and 7,557.46 is: 10,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.04 : 19,106.22 = 7,557.46 : x
  2. Step 2: Convert to fraction form
    13,845.04/19,106.22 = 7,557.46/x
  3. Step 3: Cross multiply
    13,845.04x = 19,106.22 × 7,557.46
  4. Step 4: Simplify right side
    13,845.04x = 144,394,493.40
  5. Step 5: Solve for x
    x = 144,394,493.40/13,845.04
  6. Step 6: Final answer
    x = 10,429.33

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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.