Home / 19,095.45-28,587.74-12,424.69

Finding the Fourth Proportional to 19,095.45, 28,587.74 and 12,424.69

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Solution

The fourth proportional to 19,095.45, 28,587.74 and 12,424.69 is: 18,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095.45 : 28,587.74 = 12,424.69 : x
  2. Step 2: Convert to fraction form
    19,095.45/28,587.74 = 12,424.69/x
  3. Step 3: Cross multiply
    19,095.45x = 28,587.74 × 12,424.69
  4. Step 4: Simplify right side
    19,095.45x = 355,193,780.91
  5. Step 5: Solve for x
    x = 355,193,780.91/19,095.45
  6. Step 6: Final answer
    x = 18,600.97

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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.