Home / 19,119.60-28,673.93-9,753.77

Finding the Fourth Proportional to 19,119.60, 28,673.93 and 9,753.77

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Solution

The fourth proportional to 19,119.60, 28,673.93 and 9,753.77 is: 14,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.60 : 28,673.93 = 9,753.77 : x
  2. Step 2: Convert to fraction form
    19,119.60/28,673.93 = 9,753.77/x
  3. Step 3: Cross multiply
    19,119.60x = 28,673.93 × 9,753.77
  4. Step 4: Simplify right side
    19,119.60x = 279,678,918.22
  5. Step 5: Solve for x
    x = 279,678,918.22/19,119.60
  6. Step 6: Final answer
    x = 14,627.86

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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.