Home / 18,783.36-25,899.84-14,052.48

Finding the Fourth Proportional to 18,783.36, 25,899.84 and 14,052.48

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Solution

The fourth proportional to 18,783.36, 25,899.84 and 14,052.48 is: 19,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.36 : 25,899.84 = 14,052.48 : x
  2. Step 2: Convert to fraction form
    18,783.36/25,899.84 = 14,052.48/x
  3. Step 3: Cross multiply
    18,783.36x = 25,899.84 × 14,052.48
  4. Step 4: Simplify right side
    18,783.36x = 363,956,983.60
  5. Step 5: Solve for x
    x = 363,956,983.60/18,783.36
  6. Step 6: Final answer
    x = 19,376.56

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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.