Home / 26,225.35-36,191.15-15,615.43

Finding the Fourth Proportional to 26,225.35, 36,191.15 and 15,615.43

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Solution

The fourth proportional to 26,225.35, 36,191.15 and 15,615.43 is: 21,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,225.35 : 36,191.15 = 15,615.43 : x
  2. Step 2: Convert to fraction form
    26,225.35/36,191.15 = 15,615.43/x
  3. Step 3: Cross multiply
    26,225.35x = 36,191.15 × 15,615.43
  4. Step 4: Simplify right side
    26,225.35x = 565,140,291.37
  5. Step 5: Solve for x
    x = 565,140,291.37/26,225.35
  6. Step 6: Final answer
    x = 21,549.39

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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.