Home / 14,961.24-20,643.48-9,369

Finding the Fourth Proportional to 14,961.24, 20,643.48 and 9,369

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Solution

The fourth proportional to 14,961.24, 20,643.48 and 9,369 is: 12,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.24 : 20,643.48 = 9,369 : x
  2. Step 2: Convert to fraction form
    14,961.24/20,643.48 = 9,369/x
  3. Step 3: Cross multiply
    14,961.24x = 20,643.48 × 9,369
  4. Step 4: Simplify right side
    14,961.24x = 193,408,764.12
  5. Step 5: Solve for x
    x = 193,408,764.12/14,961.24
  6. Step 6: Final answer
    x = 12,927.32

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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.