Home / 26,391.92-36,420.78-14,455.52

Finding the Fourth Proportional to 26,391.92, 36,420.78 and 14,455.52

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Solution

The fourth proportional to 26,391.92, 36,420.78 and 14,455.52 is: 19,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.92 : 36,420.78 = 14,455.52 : x
  2. Step 2: Convert to fraction form
    26,391.92/36,420.78 = 14,455.52/x
  3. Step 3: Cross multiply
    26,391.92x = 36,420.78 × 14,455.52
  4. Step 4: Simplify right side
    26,391.92x = 526,481,313.71
  5. Step 5: Solve for x
    x = 526,481,313.71/26,391.92
  6. Step 6: Final answer
    x = 19,948.58

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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.