Home / 22,174.98-30,590.86-15,007.40

Finding the Fourth Proportional to 22,174.98, 30,590.86 and 15,007.40

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Solution

The fourth proportional to 22,174.98, 30,590.86 and 15,007.40 is: 20,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.98 : 30,590.86 = 15,007.40 : x
  2. Step 2: Convert to fraction form
    22,174.98/30,590.86 = 15,007.40/x
  3. Step 3: Cross multiply
    22,174.98x = 30,590.86 × 15,007.40
  4. Step 4: Simplify right side
    22,174.98x = 459,089,272.36
  5. Step 5: Solve for x
    x = 459,089,272.36/22,174.98
  6. Step 6: Final answer
    x = 20,703.03

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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.