Home / 19,205.91-28,814.59-9,852.54

Finding the Fourth Proportional to 19,205.91, 28,814.59 and 9,852.54

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Solution

The fourth proportional to 19,205.91, 28,814.59 and 9,852.54 is: 14,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.91 : 28,814.59 = 9,852.54 : x
  2. Step 2: Convert to fraction form
    19,205.91/28,814.59 = 9,852.54/x
  3. Step 3: Cross multiply
    19,205.91x = 28,814.59 × 9,852.54
  4. Step 4: Simplify right side
    19,205.91x = 283,896,749.40
  5. Step 5: Solve for x
    x = 283,896,749.40/19,205.91
  6. Step 6: Final answer
    x = 14,781.74

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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.