Home / 19,054.08-28,590.72-8,663.68

Finding the Fourth Proportional to 19,054.08, 28,590.72 and 8,663.68

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Solution

The fourth proportional to 19,054.08, 28,590.72 and 8,663.68 is: 12,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.08 : 28,590.72 = 8,663.68 : x
  2. Step 2: Convert to fraction form
    19,054.08/28,590.72 = 8,663.68/x
  3. Step 3: Cross multiply
    19,054.08x = 28,590.72 × 8,663.68
  4. Step 4: Simplify right side
    19,054.08x = 247,700,849.05
  5. Step 5: Solve for x
    x = 247,700,849.05/19,054.08
  6. Step 6: Final answer
    x = 12,999.89

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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.