Home / 25,218.72-34,800.48-14,040

Finding the Fourth Proportional to 25,218.72, 34,800.48 and 14,040

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Solution

The fourth proportional to 25,218.72, 34,800.48 and 14,040 is: 19,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.72 : 34,800.48 = 14,040 : x
  2. Step 2: Convert to fraction form
    25,218.72/34,800.48 = 14,040/x
  3. Step 3: Cross multiply
    25,218.72x = 34,800.48 × 14,040
  4. Step 4: Simplify right side
    25,218.72x = 488,598,739.20
  5. Step 5: Solve for x
    x = 488,598,739.20/25,218.72
  6. Step 6: Final answer
    x = 19,374.45

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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.