Home / 18,577.89-25,612.20-13,263.48

Finding the Fourth Proportional to 18,577.89, 25,612.20 and 13,263.48

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Solution

The fourth proportional to 18,577.89, 25,612.20 and 13,263.48 is: 18,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.89 : 25,612.20 = 13,263.48 : x
  2. Step 2: Convert to fraction form
    18,577.89/25,612.20 = 13,263.48/x
  3. Step 3: Cross multiply
    18,577.89x = 25,612.20 × 13,263.48
  4. Step 4: Simplify right side
    18,577.89x = 339,706,902.46
  5. Step 5: Solve for x
    x = 339,706,902.46/18,577.89
  6. Step 6: Final answer
    x = 18,285.55

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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.