Home / 19,360.84-26,718.48-10,977.28

Finding the Fourth Proportional to 19,360.84, 26,718.48 and 10,977.28

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Solution

The fourth proportional to 19,360.84, 26,718.48 and 10,977.28 is: 15,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.84 : 26,718.48 = 10,977.28 : x
  2. Step 2: Convert to fraction form
    19,360.84/26,718.48 = 10,977.28/x
  3. Step 3: Cross multiply
    19,360.84x = 26,718.48 × 10,977.28
  4. Step 4: Simplify right side
    19,360.84x = 293,296,236.13
  5. Step 5: Solve for x
    x = 293,296,236.13/19,360.84
  6. Step 6: Final answer
    x = 15,148.94

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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.