Home / 22,543.56-33,746.09-20,312.82

Finding the Fourth Proportional to 22,543.56, 33,746.09 and 20,312.82

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Solution

The fourth proportional to 22,543.56, 33,746.09 and 20,312.82 is: 30,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.56 : 33,746.09 = 20,312.82 : x
  2. Step 2: Convert to fraction form
    22,543.56/33,746.09 = 20,312.82/x
  3. Step 3: Cross multiply
    22,543.56x = 33,746.09 × 20,312.82
  4. Step 4: Simplify right side
    22,543.56x = 685,478,150.31
  5. Step 5: Solve for x
    x = 685,478,150.31/22,543.56
  6. Step 6: Final answer
    x = 30,406.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.