Home / 19,122.60-28,684.76-5,975.24

Finding the Fourth Proportional to 19,122.60, 28,684.76 and 5,975.24

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Solution

The fourth proportional to 19,122.60, 28,684.76 and 5,975.24 is: 8,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.60 : 28,684.76 = 5,975.24 : x
  2. Step 2: Convert to fraction form
    19,122.60/28,684.76 = 5,975.24/x
  3. Step 3: Cross multiply
    19,122.60x = 28,684.76 × 5,975.24
  4. Step 4: Simplify right side
    19,122.60x = 171,398,325.34
  5. Step 5: Solve for x
    x = 171,398,325.34/19,122.60
  6. Step 6: Final answer
    x = 8,963.13

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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.