Home / 26,138.58-36,074.33-15,528.25

Finding the Fourth Proportional to 26,138.58, 36,074.33 and 15,528.25

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Solution

The fourth proportional to 26,138.58, 36,074.33 and 15,528.25 is: 21,430.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.58 : 36,074.33 = 15,528.25 : x
  2. Step 2: Convert to fraction form
    26,138.58/36,074.33 = 15,528.25/x
  3. Step 3: Cross multiply
    26,138.58x = 36,074.33 × 15,528.25
  4. Step 4: Simplify right side
    26,138.58x = 560,171,214.82
  5. Step 5: Solve for x
    x = 560,171,214.82/26,138.58
  6. Step 6: Final answer
    x = 21,430.82

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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.