Home / 14,398.17-19,878.66-11,751.90

Finding the Fourth Proportional to 14,398.17, 19,878.66 and 11,751.90

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Solution

The fourth proportional to 14,398.17, 19,878.66 and 11,751.90 is: 16,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.17 : 19,878.66 = 11,751.90 : x
  2. Step 2: Convert to fraction form
    14,398.17/19,878.66 = 11,751.90/x
  3. Step 3: Cross multiply
    14,398.17x = 19,878.66 × 11,751.90
  4. Step 4: Simplify right side
    14,398.17x = 233,612,024.45
  5. Step 5: Solve for x
    x = 233,612,024.45/14,398.17
  6. Step 6: Final answer
    x = 16,225.12

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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.