Home / 19,818.04-27,348.70-10,865.53

Finding the Fourth Proportional to 19,818.04, 27,348.70 and 10,865.53

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Solution

The fourth proportional to 19,818.04, 27,348.70 and 10,865.53 is: 14,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.04 : 27,348.70 = 10,865.53 : x
  2. Step 2: Convert to fraction form
    19,818.04/27,348.70 = 10,865.53/x
  3. Step 3: Cross multiply
    19,818.04x = 27,348.70 × 10,865.53
  4. Step 4: Simplify right side
    19,818.04x = 297,157,963.31
  5. Step 5: Solve for x
    x = 297,157,963.31/19,818.04
  6. Step 6: Final answer
    x = 14,994.31

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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.