Home / 19,270.34-28,887.98-7,416.54

Finding the Fourth Proportional to 19,270.34, 28,887.98 and 7,416.54

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Solution

The fourth proportional to 19,270.34, 28,887.98 and 7,416.54 is: 11,118.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.34 : 28,887.98 = 7,416.54 : x
  2. Step 2: Convert to fraction form
    19,270.34/28,887.98 = 7,416.54/x
  3. Step 3: Cross multiply
    19,270.34x = 28,887.98 × 7,416.54
  4. Step 4: Simplify right side
    19,270.34x = 214,248,822.11
  5. Step 5: Solve for x
    x = 214,248,822.11/19,270.34
  6. Step 6: Final answer
    x = 11,118.06

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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.