Home / 19,360.98-26,718.15-10,977.42

Finding the Fourth Proportional to 19,360.98, 26,718.15 and 10,977.42

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Solution

The fourth proportional to 19,360.98, 26,718.15 and 10,977.42 is: 15,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.98 : 26,718.15 = 10,977.42 : x
  2. Step 2: Convert to fraction form
    19,360.98/26,718.15 = 10,977.42/x
  3. Step 3: Cross multiply
    19,360.98x = 26,718.15 × 10,977.42
  4. Step 4: Simplify right side
    19,360.98x = 293,296,354.17
  5. Step 5: Solve for x
    x = 293,296,354.17/19,360.98
  6. Step 6: Final answer
    x = 15,148.84

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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.