Home / 26,615.58-36,728.85-14,678.70

Finding the Fourth Proportional to 26,615.58, 36,728.85 and 14,678.70

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Solution

The fourth proportional to 26,615.58, 36,728.85 and 14,678.70 is: 20,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.58 : 36,728.85 = 14,678.70 : x
  2. Step 2: Convert to fraction form
    26,615.58/36,728.85 = 14,678.70/x
  3. Step 3: Cross multiply
    26,615.58x = 36,728.85 × 14,678.70
  4. Step 4: Simplify right side
    26,615.58x = 539,131,770.50
  5. Step 5: Solve for x
    x = 539,131,770.50/26,615.58
  6. Step 6: Final answer
    x = 20,256.25

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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.