Home / 26,720.08-36,873.43-14,782.91

Finding the Fourth Proportional to 26,720.08, 36,873.43 and 14,782.91

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Solution

The fourth proportional to 26,720.08, 36,873.43 and 14,782.91 is: 20,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.08 : 36,873.43 = 14,782.91 : x
  2. Step 2: Convert to fraction form
    26,720.08/36,873.43 = 14,782.91/x
  3. Step 3: Cross multiply
    26,720.08x = 36,873.43 × 14,782.91
  4. Step 4: Simplify right side
    26,720.08x = 545,096,375.76
  5. Step 5: Solve for x
    x = 545,096,375.76/26,720.08
  6. Step 6: Final answer
    x = 20,400.25

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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.