Home / 18,669.53-25,763.75-10,713.00

Finding the Fourth Proportional to 18,669.53, 25,763.75 and 10,713.00

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Solution

The fourth proportional to 18,669.53, 25,763.75 and 10,713.00 is: 14,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.53 : 25,763.75 = 10,713.00 : x
  2. Step 2: Convert to fraction form
    18,669.53/25,763.75 = 10,713.00/x
  3. Step 3: Cross multiply
    18,669.53x = 25,763.75 × 10,713.00
  4. Step 4: Simplify right side
    18,669.53x = 276,007,197.23
  5. Step 5: Solve for x
    x = 276,007,197.23/18,669.53
  6. Step 6: Final answer
    x = 14,783.83

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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.