Home / 21,394.63-29,533.61-16,616.04

Finding the Fourth Proportional to 21,394.63, 29,533.61 and 16,616.04

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Solution

The fourth proportional to 21,394.63, 29,533.61 and 16,616.04 is: 22,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.63 : 29,533.61 = 16,616.04 : x
  2. Step 2: Convert to fraction form
    21,394.63/29,533.61 = 16,616.04/x
  3. Step 3: Cross multiply
    21,394.63x = 29,533.61 × 16,616.04
  4. Step 4: Simplify right side
    21,394.63x = 490,731,575.89
  5. Step 5: Solve for x
    x = 490,731,575.89/21,394.63
  6. Step 6: Final answer
    x = 22,937.14

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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.