Home / 25,450.86-35,121.00-14,120.24

Finding the Fourth Proportional to 25,450.86, 35,121.00 and 14,120.24

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Solution

The fourth proportional to 25,450.86, 35,121.00 and 14,120.24 is: 19,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.86 : 35,121.00 = 14,120.24 : x
  2. Step 2: Convert to fraction form
    25,450.86/35,121.00 = 14,120.24/x
  3. Step 3: Cross multiply
    25,450.86x = 35,121.00 × 14,120.24
  4. Step 4: Simplify right side
    25,450.86x = 495,916,870.29
  5. Step 5: Solve for x
    x = 495,916,870.29/25,450.86
  6. Step 6: Final answer
    x = 19,485.27

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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.