Home / 15,968.44-21,985.86-14,073.04

Finding the Fourth Proportional to 15,968.44, 21,985.86 and 14,073.04

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Solution

The fourth proportional to 15,968.44, 21,985.86 and 14,073.04 is: 19,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.44 : 21,985.86 = 14,073.04 : x
  2. Step 2: Convert to fraction form
    15,968.44/21,985.86 = 14,073.04/x
  3. Step 3: Cross multiply
    15,968.44x = 21,985.86 × 14,073.04
  4. Step 4: Simplify right side
    15,968.44x = 309,407,887.21
  5. Step 5: Solve for x
    x = 309,407,887.21/15,968.44
  6. Step 6: Final answer
    x = 19,376.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.