Home / 18,433.76-25,430.50-12,463.26

Finding the Fourth Proportional to 18,433.76, 25,430.50 and 12,463.26

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Solution

The fourth proportional to 18,433.76, 25,430.50 and 12,463.26 is: 17,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.76 : 25,430.50 = 12,463.26 : x
  2. Step 2: Convert to fraction form
    18,433.76/25,430.50 = 12,463.26/x
  3. Step 3: Cross multiply
    18,433.76x = 25,430.50 × 12,463.26
  4. Step 4: Simplify right side
    18,433.76x = 316,946,933.43
  5. Step 5: Solve for x
    x = 316,946,933.43/18,433.76
  6. Step 6: Final answer
    x = 17,193.83

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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.