Home / 19,032.08-28,545.32-11,138.24

Finding the Fourth Proportional to 19,032.08, 28,545.32 and 11,138.24

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Solution

The fourth proportional to 19,032.08, 28,545.32 and 11,138.24 is: 16,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.08 : 28,545.32 = 11,138.24 : x
  2. Step 2: Convert to fraction form
    19,032.08/28,545.32 = 11,138.24/x
  3. Step 3: Cross multiply
    19,032.08x = 28,545.32 × 11,138.24
  4. Step 4: Simplify right side
    19,032.08x = 317,944,625.04
  5. Step 5: Solve for x
    x = 317,944,625.04/19,032.08
  6. Step 6: Final answer
    x = 16,705.72

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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.