Home / 18,707.45-25,816.30-10,323.95

Finding the Fourth Proportional to 18,707.45, 25,816.30 and 10,323.95

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Solution

The fourth proportional to 18,707.45, 25,816.30 and 10,323.95 is: 14,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.45 : 25,816.30 = 10,323.95 : x
  2. Step 2: Convert to fraction form
    18,707.45/25,816.30 = 10,323.95/x
  3. Step 3: Cross multiply
    18,707.45x = 25,816.30 × 10,323.95
  4. Step 4: Simplify right side
    18,707.45x = 266,526,074.22
  5. Step 5: Solve for x
    x = 266,526,074.22/18,707.45
  6. Step 6: Final answer
    x = 14,247.06

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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.