Home / 26,762.59-40,148.75-11,971.18

Finding the Fourth Proportional to 26,762.59, 40,148.75 and 11,971.18

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Solution

The fourth proportional to 26,762.59, 40,148.75 and 11,971.18 is: 17,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,762.59 : 40,148.75 = 11,971.18 : x
  2. Step 2: Convert to fraction form
    26,762.59/40,148.75 = 11,971.18/x
  3. Step 3: Cross multiply
    26,762.59x = 40,148.75 × 11,971.18
  4. Step 4: Simplify right side
    26,762.59x = 480,627,913.03
  5. Step 5: Solve for x
    x = 480,627,913.03/26,762.59
  6. Step 6: Final answer
    x = 17,958.95

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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.