Home / 13,841.55-19,102.36-7,875.14

Finding the Fourth Proportional to 13,841.55, 19,102.36 and 7,875.14

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Solution

The fourth proportional to 13,841.55, 19,102.36 and 7,875.14 is: 10,868.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.55 : 19,102.36 = 7,875.14 : x
  2. Step 2: Convert to fraction form
    13,841.55/19,102.36 = 7,875.14/x
  3. Step 3: Cross multiply
    13,841.55x = 19,102.36 × 7,875.14
  4. Step 4: Simplify right side
    13,841.55x = 150,433,731.26
  5. Step 5: Solve for x
    x = 150,433,731.26/13,841.55
  6. Step 6: Final answer
    x = 10,868.27

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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.