Home / 21,317.58-29,426.37-16,027.76

Finding the Fourth Proportional to 21,317.58, 29,426.37 and 16,027.76

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Solution

The fourth proportional to 21,317.58, 29,426.37 and 16,027.76 is: 22,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,317.58 : 29,426.37 = 16,027.76 : x
  2. Step 2: Convert to fraction form
    21,317.58/29,426.37 = 16,027.76/x
  3. Step 3: Cross multiply
    21,317.58x = 29,426.37 × 16,027.76
  4. Step 4: Simplify right side
    21,317.58x = 471,638,809.49
  5. Step 5: Solve for x
    x = 471,638,809.49/21,317.58
  6. Step 6: Final answer
    x = 22,124.41

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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.