Home / 14,190.36-19,581.93-7,816.74

Finding the Fourth Proportional to 14,190.36, 19,581.93 and 7,816.74

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Solution

The fourth proportional to 14,190.36, 19,581.93 and 7,816.74 is: 10,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.36 : 19,581.93 = 7,816.74 : x
  2. Step 2: Convert to fraction form
    14,190.36/19,581.93 = 7,816.74/x
  3. Step 3: Cross multiply
    14,190.36x = 19,581.93 × 7,816.74
  4. Step 4: Simplify right side
    14,190.36x = 153,066,855.51
  5. Step 5: Solve for x
    x = 153,066,855.51/14,190.36
  6. Step 6: Final answer
    x = 10,786.68

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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.