Home / 23,616.96-35,430.36-12,520.63

Finding the Fourth Proportional to 23,616.96, 35,430.36 and 12,520.63

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Solution

The fourth proportional to 23,616.96, 35,430.36 and 12,520.63 is: 18,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,616.96 : 35,430.36 = 12,520.63 : x
  2. Step 2: Convert to fraction form
    23,616.96/35,430.36 = 12,520.63/x
  3. Step 3: Cross multiply
    23,616.96x = 35,430.36 × 12,520.63
  4. Step 4: Simplify right side
    23,616.96x = 443,610,428.33
  5. Step 5: Solve for x
    x = 443,610,428.33/23,616.96
  6. Step 6: Final answer
    x = 18,783.55

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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.