Home / 18,461.30-25,483.16-10,907.66

Finding the Fourth Proportional to 18,461.30, 25,483.16 and 10,907.66

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Solution

The fourth proportional to 18,461.30, 25,483.16 and 10,907.66 is: 15,056.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.30 : 25,483.16 = 10,907.66 : x
  2. Step 2: Convert to fraction form
    18,461.30/25,483.16 = 10,907.66/x
  3. Step 3: Cross multiply
    18,461.30x = 25,483.16 × 10,907.66
  4. Step 4: Simplify right side
    18,461.30x = 277,961,735.98
  5. Step 5: Solve for x
    x = 277,961,735.98/18,461.30
  6. Step 6: Final answer
    x = 15,056.46

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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.