Home / 26,638.58-36,759.98-15,300.08

Finding the Fourth Proportional to 26,638.58, 36,759.98 and 15,300.08

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Solution

The fourth proportional to 26,638.58, 36,759.98 and 15,300.08 is: 21,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.58 : 36,759.98 = 15,300.08 : x
  2. Step 2: Convert to fraction form
    26,638.58/36,759.98 = 15,300.08/x
  3. Step 3: Cross multiply
    26,638.58x = 36,759.98 × 15,300.08
  4. Step 4: Simplify right side
    26,638.58x = 562,430,634.80
  5. Step 5: Solve for x
    x = 562,430,634.80/26,638.58
  6. Step 6: Final answer
    x = 21,113.39

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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.