Home / 21,594.24-29,799.36-12,161.52

Finding the Fourth Proportional to 21,594.24, 29,799.36 and 12,161.52

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Solution

The fourth proportional to 21,594.24, 29,799.36 and 12,161.52 is: 16,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.24 : 29,799.36 = 12,161.52 : x
  2. Step 2: Convert to fraction form
    21,594.24/29,799.36 = 12,161.52/x
  3. Step 3: Cross multiply
    21,594.24x = 29,799.36 × 12,161.52
  4. Step 4: Simplify right side
    21,594.24x = 362,405,512.63
  5. Step 5: Solve for x
    x = 362,405,512.63/21,594.24
  6. Step 6: Final answer
    x = 16,782.51

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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.