Home / 19,495.76-29,243.61-7,817.18

Finding the Fourth Proportional to 19,495.76, 29,243.61 and 7,817.18

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Solution

The fourth proportional to 19,495.76, 29,243.61 and 7,817.18 is: 11,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.76 : 29,243.61 = 7,817.18 : x
  2. Step 2: Convert to fraction form
    19,495.76/29,243.61 = 7,817.18/x
  3. Step 3: Cross multiply
    19,495.76x = 29,243.61 × 7,817.18
  4. Step 4: Simplify right side
    19,495.76x = 228,602,417.00
  5. Step 5: Solve for x
    x = 228,602,417.00/19,495.76
  6. Step 6: Final answer
    x = 11,725.75

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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.