Home / 14,475.10-19,984.62-11,111.48

Finding the Fourth Proportional to 14,475.10, 19,984.62 and 11,111.48

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Solution

The fourth proportional to 14,475.10, 19,984.62 and 11,111.48 is: 15,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.10 : 19,984.62 = 11,111.48 : x
  2. Step 2: Convert to fraction form
    14,475.10/19,984.62 = 11,111.48/x
  3. Step 3: Cross multiply
    14,475.10x = 19,984.62 × 11,111.48
  4. Step 4: Simplify right side
    14,475.10x = 222,058,705.44
  5. Step 5: Solve for x
    x = 222,058,705.44/14,475.10
  6. Step 6: Final answer
    x = 15,340.74

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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.