Home / 19,828.95-27,364.10-10,876.35

Finding the Fourth Proportional to 19,828.95, 27,364.10 and 10,876.35

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Solution

The fourth proportional to 19,828.95, 27,364.10 and 10,876.35 is: 15,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.95 : 27,364.10 = 10,876.35 : x
  2. Step 2: Convert to fraction form
    19,828.95/27,364.10 = 10,876.35/x
  3. Step 3: Cross multiply
    19,828.95x = 27,364.10 × 10,876.35
  4. Step 4: Simplify right side
    19,828.95x = 297,621,577.27
  5. Step 5: Solve for x
    x = 297,621,577.27/19,828.95
  6. Step 6: Final answer
    x = 15,009.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.