Home / 14,418.15-21,572.43-8,797.34

Finding the Fourth Proportional to 14,418.15, 21,572.43 and 8,797.34

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Solution

The fourth proportional to 14,418.15, 21,572.43 and 8,797.34 is: 13,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.15 : 21,572.43 = 8,797.34 : x
  2. Step 2: Convert to fraction form
    14,418.15/21,572.43 = 8,797.34/x
  3. Step 3: Cross multiply
    14,418.15x = 21,572.43 × 8,797.34
  4. Step 4: Simplify right side
    14,418.15x = 189,779,893.47
  5. Step 5: Solve for x
    x = 189,779,893.47/14,418.15
  6. Step 6: Final answer
    x = 13,162.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.