Home / 19,145.70-26,416.98-11,590.52

Finding the Fourth Proportional to 19,145.70, 26,416.98 and 11,590.52

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Solution

The fourth proportional to 19,145.70, 26,416.98 and 11,590.52 is: 15,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.70 : 26,416.98 = 11,590.52 : x
  2. Step 2: Convert to fraction form
    19,145.70/26,416.98 = 11,590.52/x
  3. Step 3: Cross multiply
    19,145.70x = 26,416.98 × 11,590.52
  4. Step 4: Simplify right side
    19,145.70x = 306,186,402.94
  5. Step 5: Solve for x
    x = 306,186,402.94/19,145.70
  6. Step 6: Final answer
    x = 15,992.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.