Home / 19,543.24-29,298.39-13,285.72

Finding the Fourth Proportional to 19,543.24, 29,298.39 and 13,285.72

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Solution

The fourth proportional to 19,543.24, 29,298.39 and 13,285.72 is: 19,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.24 : 29,298.39 = 13,285.72 : x
  2. Step 2: Convert to fraction form
    19,543.24/29,298.39 = 13,285.72/x
  3. Step 3: Cross multiply
    19,543.24x = 29,298.39 × 13,285.72
  4. Step 4: Simplify right side
    19,543.24x = 389,250,205.99
  5. Step 5: Solve for x
    x = 389,250,205.99/19,543.24
  6. Step 6: Final answer
    x = 19,917.38

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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.