Home / 26,840.47-40,265.36-9,071.28

Finding the Fourth Proportional to 26,840.47, 40,265.36 and 9,071.28

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Solution

The fourth proportional to 26,840.47, 40,265.36 and 9,071.28 is: 13,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.47 : 40,265.36 = 9,071.28 : x
  2. Step 2: Convert to fraction form
    26,840.47/40,265.36 = 9,071.28/x
  3. Step 3: Cross multiply
    26,840.47x = 40,265.36 × 9,071.28
  4. Step 4: Simplify right side
    26,840.47x = 365,258,354.86
  5. Step 5: Solve for x
    x = 365,258,354.86/26,840.47
  6. Step 6: Final answer
    x = 13,608.49

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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.