Home / 14,190.06-19,582.32-7,816.50

Finding the Fourth Proportional to 14,190.06, 19,582.32 and 7,816.50

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Solution

The fourth proportional to 14,190.06, 19,582.32 and 7,816.50 is: 10,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.06 : 19,582.32 = 7,816.50 : x
  2. Step 2: Convert to fraction form
    14,190.06/19,582.32 = 7,816.50/x
  3. Step 3: Cross multiply
    14,190.06x = 19,582.32 × 7,816.50
  4. Step 4: Simplify right side
    14,190.06x = 153,065,204.28
  5. Step 5: Solve for x
    x = 153,065,204.28/14,190.06
  6. Step 6: Final answer
    x = 10,786.79

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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.