Home / 13,852.34-19,117.32-7,884.26

Finding the Fourth Proportional to 13,852.34, 19,117.32 and 7,884.26

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Solution

The fourth proportional to 13,852.34, 19,117.32 and 7,884.26 is: 10,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.34 : 19,117.32 = 7,884.26 : x
  2. Step 2: Convert to fraction form
    13,852.34/19,117.32 = 7,884.26/x
  3. Step 3: Cross multiply
    13,852.34x = 19,117.32 × 7,884.26
  4. Step 4: Simplify right side
    13,852.34x = 150,725,921.38
  5. Step 5: Solve for x
    x = 150,725,921.38/13,852.34
  6. Step 6: Final answer
    x = 10,880.90

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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.