Home / 19,383.51-26,753.42-11,828.23

Finding the Fourth Proportional to 19,383.51, 26,753.42 and 11,828.23

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Solution

The fourth proportional to 19,383.51, 26,753.42 and 11,828.23 is: 16,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.51 : 26,753.42 = 11,828.23 : x
  2. Step 2: Convert to fraction form
    19,383.51/26,753.42 = 11,828.23/x
  3. Step 3: Cross multiply
    19,383.51x = 26,753.42 × 11,828.23
  4. Step 4: Simplify right side
    19,383.51x = 316,445,479.02
  5. Step 5: Solve for x
    x = 316,445,479.02/19,383.51
  6. Step 6: Final answer
    x = 16,325.50

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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.