Home / 15,128.44-22,692.66-4,740.19

Finding the Fourth Proportional to 15,128.44, 22,692.66 and 4,740.19

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Solution

The fourth proportional to 15,128.44, 22,692.66 and 4,740.19 is: 7,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.44 : 22,692.66 = 4,740.19 : x
  2. Step 2: Convert to fraction form
    15,128.44/22,692.66 = 4,740.19/x
  3. Step 3: Cross multiply
    15,128.44x = 22,692.66 × 4,740.19
  4. Step 4: Simplify right side
    15,128.44x = 107,567,445.50
  5. Step 5: Solve for x
    x = 107,567,445.50/15,128.44
  6. Step 6: Final answer
    x = 7,110.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.