Home / 14,371.12-21,557.28-5,012.07

Finding the Fourth Proportional to 14,371.12, 21,557.28 and 5,012.07

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Solution

The fourth proportional to 14,371.12, 21,557.28 and 5,012.07 is: 7,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.12 : 21,557.28 = 5,012.07 : x
  2. Step 2: Convert to fraction form
    14,371.12/21,557.28 = 5,012.07/x
  3. Step 3: Cross multiply
    14,371.12x = 21,557.28 × 5,012.07
  4. Step 4: Simplify right side
    14,371.12x = 108,046,596.37
  5. Step 5: Solve for x
    x = 108,046,596.37/14,371.12
  6. Step 6: Final answer
    x = 7,518.32

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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.