Home / 13,841.67-19,102.54-7,875.27

Finding the Fourth Proportional to 13,841.67, 19,102.54 and 7,875.27

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Solution

The fourth proportional to 13,841.67, 19,102.54 and 7,875.27 is: 10,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.67 : 19,102.54 = 7,875.27 : x
  2. Step 2: Convert to fraction form
    13,841.67/19,102.54 = 7,875.27/x
  3. Step 3: Cross multiply
    13,841.67x = 19,102.54 × 7,875.27
  4. Step 4: Simplify right side
    13,841.67x = 150,437,660.19
  5. Step 5: Solve for x
    x = 150,437,660.19/13,841.67
  6. Step 6: Final answer
    x = 10,868.46

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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.