Home / 21,395.63-29,534.99-16,617.04

Finding the Fourth Proportional to 21,395.63, 29,534.99 and 16,617.04

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Solution

The fourth proportional to 21,395.63, 29,534.99 and 16,617.04 is: 22,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.63 : 29,534.99 = 16,617.04 : x
  2. Step 2: Convert to fraction form
    21,395.63/29,534.99 = 16,617.04/x
  3. Step 3: Cross multiply
    21,395.63x = 29,534.99 × 16,617.04
  4. Step 4: Simplify right side
    21,395.63x = 490,784,110.23
  5. Step 5: Solve for x
    x = 490,784,110.23/21,395.63
  6. Step 6: Final answer
    x = 22,938.52

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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.