Home / 21,444.21-29,592.99-12,012.84

Finding the Fourth Proportional to 21,444.21, 29,592.99 and 12,012.84

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Solution

The fourth proportional to 21,444.21, 29,592.99 and 12,012.84 is: 16,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.21 : 29,592.99 = 12,012.84 : x
  2. Step 2: Convert to fraction form
    21,444.21/29,592.99 = 12,012.84/x
  3. Step 3: Cross multiply
    21,444.21x = 29,592.99 × 12,012.84
  4. Step 4: Simplify right side
    21,444.21x = 355,495,853.99
  5. Step 5: Solve for x
    x = 355,495,853.99/21,444.21
  6. Step 6: Final answer
    x = 16,577.71

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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.