Home / 14,015.72-21,023.53-4,656.44

Finding the Fourth Proportional to 14,015.72, 21,023.53 and 4,656.44

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Solution

The fourth proportional to 14,015.72, 21,023.53 and 4,656.44 is: 6,984.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.72 : 21,023.53 = 4,656.44 : x
  2. Step 2: Convert to fraction form
    14,015.72/21,023.53 = 4,656.44/x
  3. Step 3: Cross multiply
    14,015.72x = 21,023.53 × 4,656.44
  4. Step 4: Simplify right side
    14,015.72x = 97,894,846.95
  5. Step 5: Solve for x
    x = 97,894,846.95/14,015.72
  6. Step 6: Final answer
    x = 6,984.65

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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.