Home / 26,435.12-36,477.10-15,105.35

Finding the Fourth Proportional to 26,435.12, 36,477.10 and 15,105.35

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Solution

The fourth proportional to 26,435.12, 36,477.10 and 15,105.35 is: 20,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.12 : 36,477.10 = 15,105.35 : x
  2. Step 2: Convert to fraction form
    26,435.12/36,477.10 = 15,105.35/x
  3. Step 3: Cross multiply
    26,435.12x = 36,477.10 × 15,105.35
  4. Step 4: Simplify right side
    26,435.12x = 550,999,400.25
  5. Step 5: Solve for x
    x = 550,999,400.25/26,435.12
  6. Step 6: Final answer
    x = 20,843.46

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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.