Home / 18,312.24-25,270.96-11,590.86

Finding the Fourth Proportional to 18,312.24, 25,270.96 and 11,590.86

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Solution

The fourth proportional to 18,312.24, 25,270.96 and 11,590.86 is: 15,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.24 : 25,270.96 = 11,590.86 : x
  2. Step 2: Convert to fraction form
    18,312.24/25,270.96 = 11,590.86/x
  3. Step 3: Cross multiply
    18,312.24x = 25,270.96 × 11,590.86
  4. Step 4: Simplify right side
    18,312.24x = 292,912,159.43
  5. Step 5: Solve for x
    x = 292,912,159.43/18,312.24
  6. Step 6: Final answer
    x = 15,995.43

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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.