Home / 18,687.84-25,762.40-14,702.04

Finding the Fourth Proportional to 18,687.84, 25,762.40 and 14,702.04

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Solution

The fourth proportional to 18,687.84, 25,762.40 and 14,702.04 is: 20,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,687.84 : 25,762.40 = 14,702.04 : x
  2. Step 2: Convert to fraction form
    18,687.84/25,762.40 = 14,702.04/x
  3. Step 3: Cross multiply
    18,687.84x = 25,762.40 × 14,702.04
  4. Step 4: Simplify right side
    18,687.84x = 378,759,835.30
  5. Step 5: Solve for x
    x = 378,759,835.30/18,687.84
  6. Step 6: Final answer
    x = 20,267.72

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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.