Home / 15,818.49-23,758.47-11,642.00

Finding the Fourth Proportional to 15,818.49, 23,758.47 and 11,642.00

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Solution

The fourth proportional to 15,818.49, 23,758.47 and 11,642.00 is: 17,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.49 : 23,758.47 = 11,642.00 : x
  2. Step 2: Convert to fraction form
    15,818.49/23,758.47 = 11,642.00/x
  3. Step 3: Cross multiply
    15,818.49x = 23,758.47 × 11,642.00
  4. Step 4: Simplify right side
    15,818.49x = 276,595,988.95
  5. Step 5: Solve for x
    x = 276,595,988.95/15,818.49
  6. Step 6: Final answer
    x = 17,485.61

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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.