Home / 30,524.54-42,127.35-18,594.86

Finding the Fourth Proportional to 30,524.54, 42,127.35 and 18,594.86

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Solution

The fourth proportional to 30,524.54, 42,127.35 and 18,594.86 is: 25,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.54 : 42,127.35 = 18,594.86 : x
  2. Step 2: Convert to fraction form
    30,524.54/42,127.35 = 18,594.86/x
  3. Step 3: Cross multiply
    30,524.54x = 42,127.35 × 18,594.86
  4. Step 4: Simplify right side
    30,524.54x = 783,352,234.25
  5. Step 5: Solve for x
    x = 783,352,234.25/30,524.54
  6. Step 6: Final answer
    x = 25,663.03

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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.