Home / 14,317.85-21,471.63-4,955.33

Finding the Fourth Proportional to 14,317.85, 21,471.63 and 4,955.33

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Solution

The fourth proportional to 14,317.85, 21,471.63 and 4,955.33 is: 7,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.85 : 21,471.63 = 4,955.33 : x
  2. Step 2: Convert to fraction form
    14,317.85/21,471.63 = 4,955.33/x
  3. Step 3: Cross multiply
    14,317.85x = 21,471.63 × 4,955.33
  4. Step 4: Simplify right side
    14,317.85x = 106,399,012.29
  5. Step 5: Solve for x
    x = 106,399,012.29/14,317.85
  6. Step 6: Final answer
    x = 7,431.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.