Home / 23,579.18-32,539.66-12,968.72

Finding the Fourth Proportional to 23,579.18, 32,539.66 and 12,968.72

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Solution

The fourth proportional to 23,579.18, 32,539.66 and 12,968.72 is: 17,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.18 : 32,539.66 = 12,968.72 : x
  2. Step 2: Convert to fraction form
    23,579.18/32,539.66 = 12,968.72/x
  3. Step 3: Cross multiply
    23,579.18x = 32,539.66 × 12,968.72
  4. Step 4: Simplify right side
    23,579.18x = 421,997,739.44
  5. Step 5: Solve for x
    x = 421,997,739.44/23,579.18
  6. Step 6: Final answer
    x = 17,897.05

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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.