Home / 14,153.36-21,253.80-10,643.36

Finding the Fourth Proportional to 14,153.36, 21,253.80 and 10,643.36

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Solution

The fourth proportional to 14,153.36, 21,253.80 and 10,643.36 is: 15,982.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.36 : 21,253.80 = 10,643.36 : x
  2. Step 2: Convert to fraction form
    14,153.36/21,253.80 = 10,643.36/x
  3. Step 3: Cross multiply
    14,153.36x = 21,253.80 × 10,643.36
  4. Step 4: Simplify right side
    14,153.36x = 226,211,844.77
  5. Step 5: Solve for x
    x = 226,211,844.77/14,153.36
  6. Step 6: Final answer
    x = 15,982.91

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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.