Home / 26,921.52-37,145.67-16,720.86

Finding the Fourth Proportional to 26,921.52, 37,145.67 and 16,720.86

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Solution

The fourth proportional to 26,921.52, 37,145.67 and 16,720.86 is: 23,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.52 : 37,145.67 = 16,720.86 : x
  2. Step 2: Convert to fraction form
    26,921.52/37,145.67 = 16,720.86/x
  3. Step 3: Cross multiply
    26,921.52x = 37,145.67 × 16,720.86
  4. Step 4: Simplify right side
    26,921.52x = 621,107,547.68
  5. Step 5: Solve for x
    x = 621,107,547.68/26,921.52
  6. Step 6: Final answer
    x = 23,071.04

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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.