Home / 19,395.92-26,759.76-11,840.24

Finding the Fourth Proportional to 19,395.92, 26,759.76 and 11,840.24

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Solution

The fourth proportional to 19,395.92, 26,759.76 and 11,840.24 is: 16,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.92 : 26,759.76 = 11,840.24 : x
  2. Step 2: Convert to fraction form
    19,395.92/26,759.76 = 11,840.24/x
  3. Step 3: Cross multiply
    19,395.92x = 26,759.76 × 11,840.24
  4. Step 4: Simplify right side
    19,395.92x = 316,841,980.74
  5. Step 5: Solve for x
    x = 316,841,980.74/19,395.92
  6. Step 6: Final answer
    x = 16,335.50

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1.5x scale

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.