Home / 30,627.63-42,266.19-17,203.26

Finding the Fourth Proportional to 30,627.63, 42,266.19 and 17,203.26

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Solution

The fourth proportional to 30,627.63, 42,266.19 and 17,203.26 is: 23,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,627.63 : 42,266.19 = 17,203.26 : x
  2. Step 2: Convert to fraction form
    30,627.63/42,266.19 = 17,203.26/x
  3. Step 3: Cross multiply
    30,627.63x = 42,266.19 × 17,203.26
  4. Step 4: Simplify right side
    30,627.63x = 727,116,255.78
  5. Step 5: Solve for x
    x = 727,116,255.78/30,627.63
  6. Step 6: Final answer
    x = 23,740.53

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Half scale
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Double scale
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Similar ratio
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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.