Home / 19,109.90-28,669.17-5,963.60

Finding the Fourth Proportional to 19,109.90, 28,669.17 and 5,963.60

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Solution

The fourth proportional to 19,109.90, 28,669.17 and 5,963.60 is: 8,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.90 : 28,669.17 = 5,963.60 : x
  2. Step 2: Convert to fraction form
    19,109.90/28,669.17 = 5,963.60/x
  3. Step 3: Cross multiply
    19,109.90x = 28,669.17 × 5,963.60
  4. Step 4: Simplify right side
    19,109.90x = 170,971,462.21
  5. Step 5: Solve for x
    x = 170,971,462.21/19,109.90
  6. Step 6: Final answer
    x = 8,946.75

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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.