Home / 26,290.34-39,429.57-7,570.34

Finding the Fourth Proportional to 26,290.34, 39,429.57 and 7,570.34

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Solution

The fourth proportional to 26,290.34, 39,429.57 and 7,570.34 is: 11,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.34 : 39,429.57 = 7,570.34 : x
  2. Step 2: Convert to fraction form
    26,290.34/39,429.57 = 7,570.34/x
  3. Step 3: Cross multiply
    26,290.34x = 39,429.57 × 7,570.34
  4. Step 4: Simplify right side
    26,290.34x = 298,495,250.95
  5. Step 5: Solve for x
    x = 298,495,250.95/26,290.34
  6. Step 6: Final answer
    x = 11,353.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.