Home / 19,461.05-29,188.78-11,114.00

Finding the Fourth Proportional to 19,461.05, 29,188.78 and 11,114.00

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Solution

The fourth proportional to 19,461.05, 29,188.78 and 11,114.00 is: 16,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,461.05 : 29,188.78 = 11,114.00 : x
  2. Step 2: Convert to fraction form
    19,461.05/29,188.78 = 11,114.00/x
  3. Step 3: Cross multiply
    19,461.05x = 29,188.78 × 11,114.00
  4. Step 4: Simplify right side
    19,461.05x = 324,403,927.19
  5. Step 5: Solve for x
    x = 324,403,927.19/19,461.05
  6. Step 6: Final answer
    x = 16,669.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.