Home / 18,943.50-26,142.84-10,560

Finding the Fourth Proportional to 18,943.50, 26,142.84 and 10,560

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Solution

The fourth proportional to 18,943.50, 26,142.84 and 10,560 is: 14,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.50 : 26,142.84 = 10,560 : x
  2. Step 2: Convert to fraction form
    18,943.50/26,142.84 = 10,560/x
  3. Step 3: Cross multiply
    18,943.50x = 26,142.84 × 10,560
  4. Step 4: Simplify right side
    18,943.50x = 276,068,390.40
  5. Step 5: Solve for x
    x = 276,068,390.40/18,943.50
  6. Step 6: Final answer
    x = 14,573.25

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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.