Home / 19,301.10-28,948.14-5,789.49

Finding the Fourth Proportional to 19,301.10, 28,948.14 and 5,789.49

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Solution

The fourth proportional to 19,301.10, 28,948.14 and 5,789.49 is: 8,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.10 : 28,948.14 = 5,789.49 : x
  2. Step 2: Convert to fraction form
    19,301.10/28,948.14 = 5,789.49/x
  3. Step 3: Cross multiply
    19,301.10x = 28,948.14 × 5,789.49
  4. Step 4: Simplify right side
    19,301.10x = 167,594,967.05
  5. Step 5: Solve for x
    x = 167,594,967.05/19,301.10
  6. Step 6: Final answer
    x = 8,683.18

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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.