Home / 18,907.13-26,090.82-10,407.60

Finding the Fourth Proportional to 18,907.13, 26,090.82 and 10,407.60

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Solution

The fourth proportional to 18,907.13, 26,090.82 and 10,407.60 is: 14,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907.13 : 26,090.82 = 10,407.60 : x
  2. Step 2: Convert to fraction form
    18,907.13/26,090.82 = 10,407.60/x
  3. Step 3: Cross multiply
    18,907.13x = 26,090.82 × 10,407.60
  4. Step 4: Simplify right side
    18,907.13x = 271,542,818.23
  5. Step 5: Solve for x
    x = 271,542,818.23/18,907.13
  6. Step 6: Final answer
    x = 14,361.92

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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.