Home / 26,653.76-36,782.88-14,717.60

Finding the Fourth Proportional to 26,653.76, 36,782.88 and 14,717.60

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Solution

The fourth proportional to 26,653.76, 36,782.88 and 14,717.60 is: 20,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.76 : 36,782.88 = 14,717.60 : x
  2. Step 2: Convert to fraction form
    26,653.76/36,782.88 = 14,717.60/x
  3. Step 3: Cross multiply
    26,653.76x = 36,782.88 × 14,717.60
  4. Step 4: Simplify right side
    26,653.76x = 541,355,714.69
  5. Step 5: Solve for x
    x = 541,355,714.69/26,653.76
  6. Step 6: Final answer
    x = 20,310.67

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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.