Home / 19,006.32-28,458.36-12,416.24

Finding the Fourth Proportional to 19,006.32, 28,458.36 and 12,416.24

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Solution

The fourth proportional to 19,006.32, 28,458.36 and 12,416.24 is: 18,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.32 : 28,458.36 = 12,416.24 : x
  2. Step 2: Convert to fraction form
    19,006.32/28,458.36 = 12,416.24/x
  3. Step 3: Cross multiply
    19,006.32x = 28,458.36 × 12,416.24
  4. Step 4: Simplify right side
    19,006.32x = 353,345,827.77
  5. Step 5: Solve for x
    x = 353,345,827.77/19,006.32
  6. Step 6: Final answer
    x = 18,590.96

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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.