Home / 26,483.76-36,562.86-18,429.12

Finding the Fourth Proportional to 26,483.76, 36,562.86 and 18,429.12

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Solution

The fourth proportional to 26,483.76, 36,562.86 and 18,429.12 is: 25,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,483.76 : 36,562.86 = 18,429.12 : x
  2. Step 2: Convert to fraction form
    26,483.76/36,562.86 = 18,429.12/x
  3. Step 3: Cross multiply
    26,483.76x = 36,562.86 × 18,429.12
  4. Step 4: Simplify right side
    26,483.76x = 673,821,334.48
  5. Step 5: Solve for x
    x = 673,821,334.48/26,483.76
  6. Step 6: Final answer
    x = 25,442.81

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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.