Home / 23,430.96-35,142.12-12,302.64

Finding the Fourth Proportional to 23,430.96, 35,142.12 and 12,302.64

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Solution

The fourth proportional to 23,430.96, 35,142.12 and 12,302.64 is: 18,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.96 : 35,142.12 = 12,302.64 : x
  2. Step 2: Convert to fraction form
    23,430.96/35,142.12 = 12,302.64/x
  3. Step 3: Cross multiply
    23,430.96x = 35,142.12 × 12,302.64
  4. Step 4: Simplify right side
    23,430.96x = 432,340,851.20
  5. Step 5: Solve for x
    x = 432,340,851.20/23,430.96
  6. Step 6: Final answer
    x = 18,451.69

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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.