Home / 14,196.06-21,297.93-5,431.26

Finding the Fourth Proportional to 14,196.06, 21,297.93 and 5,431.26

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Solution

The fourth proportional to 14,196.06, 21,297.93 and 5,431.26 is: 8,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,196.06 : 21,297.93 = 5,431.26 : x
  2. Step 2: Convert to fraction form
    14,196.06/21,297.93 = 5,431.26/x
  3. Step 3: Cross multiply
    14,196.06x = 21,297.93 × 5,431.26
  4. Step 4: Simplify right side
    14,196.06x = 115,674,595.29
  5. Step 5: Solve for x
    x = 115,674,595.29/14,196.06
  6. Step 6: Final answer
    x = 8,148.36

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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.