Home / 25,897.02-38,857.31-12,562.81

Finding the Fourth Proportional to 25,897.02, 38,857.31 and 12,562.81

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Solution

The fourth proportional to 25,897.02, 38,857.31 and 12,562.81 is: 18,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.02 : 38,857.31 = 12,562.81 : x
  2. Step 2: Convert to fraction form
    25,897.02/38,857.31 = 12,562.81/x
  3. Step 3: Cross multiply
    25,897.02x = 38,857.31 × 12,562.81
  4. Step 4: Simplify right side
    25,897.02x = 488,157,002.64
  5. Step 5: Solve for x
    x = 488,157,002.64/25,897.02
  6. Step 6: Final answer
    x = 18,849.93

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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.