Home / 14,098.30-19,455.66-7,810.72

Finding the Fourth Proportional to 14,098.30, 19,455.66 and 7,810.72

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Solution

The fourth proportional to 14,098.30, 19,455.66 and 7,810.72 is: 10,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.30 : 19,455.66 = 7,810.72 : x
  2. Step 2: Convert to fraction form
    14,098.30/19,455.66 = 7,810.72/x
  3. Step 3: Cross multiply
    14,098.30x = 19,455.66 × 7,810.72
  4. Step 4: Simplify right side
    14,098.30x = 151,962,712.68
  5. Step 5: Solve for x
    x = 151,962,712.68/14,098.30
  6. Step 6: Final answer
    x = 10,778.80

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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.