Home / 14,515.36-21,753.84-5,272.48

Finding the Fourth Proportional to 14,515.36, 21,753.84 and 5,272.48

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Solution

The fourth proportional to 14,515.36, 21,753.84 and 5,272.48 is: 7,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.36 : 21,753.84 = 5,272.48 : x
  2. Step 2: Convert to fraction form
    14,515.36/21,753.84 = 5,272.48/x
  3. Step 3: Cross multiply
    14,515.36x = 21,753.84 × 5,272.48
  4. Step 4: Simplify right side
    14,515.36x = 114,696,686.32
  5. Step 5: Solve for x
    x = 114,696,686.32/14,515.36
  6. Step 6: Final answer
    x = 7,901.75

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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.