Home / 26,390.16-36,418.42-14,453.48

Finding the Fourth Proportional to 26,390.16, 36,418.42 and 14,453.48

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Solution

The fourth proportional to 26,390.16, 36,418.42 and 14,453.48 is: 19,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.16 : 36,418.42 = 14,453.48 : x
  2. Step 2: Convert to fraction form
    26,390.16/36,418.42 = 14,453.48/x
  3. Step 3: Cross multiply
    26,390.16x = 36,418.42 × 14,453.48
  4. Step 4: Simplify right side
    26,390.16x = 526,372,905.10
  5. Step 5: Solve for x
    x = 526,372,905.10/26,390.16
  6. Step 6: Final answer
    x = 19,945.80

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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.