Home / 22,816.71-31,477.32-14,313.06

Finding the Fourth Proportional to 22,816.71, 31,477.32 and 14,313.06

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Solution

The fourth proportional to 22,816.71, 31,477.32 and 14,313.06 is: 19,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.71 : 31,477.32 = 14,313.06 : x
  2. Step 2: Convert to fraction form
    22,816.71/31,477.32 = 14,313.06/x
  3. Step 3: Cross multiply
    22,816.71x = 31,477.32 × 14,313.06
  4. Step 4: Simplify right side
    22,816.71x = 450,536,769.80
  5. Step 5: Solve for x
    x = 450,536,769.80/22,816.71
  6. Step 6: Final answer
    x = 19,745.91

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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.