Home / 19,308.10-28,962.69-6,826.36

Finding the Fourth Proportional to 19,308.10, 28,962.69 and 6,826.36

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Solution

The fourth proportional to 19,308.10, 28,962.69 and 6,826.36 is: 10,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.10 : 28,962.69 = 6,826.36 : x
  2. Step 2: Convert to fraction form
    19,308.10/28,962.69 = 6,826.36/x
  3. Step 3: Cross multiply
    19,308.10x = 28,962.69 × 6,826.36
  4. Step 4: Simplify right side
    19,308.10x = 197,709,748.51
  5. Step 5: Solve for x
    x = 197,709,748.51/19,308.10
  6. Step 6: Final answer
    x = 10,239.73

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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.