Home / 19,383.60-26,595.51-18,886.08

Finding the Fourth Proportional to 19,383.60, 26,595.51 and 18,886.08

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Solution

The fourth proportional to 19,383.60, 26,595.51 and 18,886.08 is: 25,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.60 : 26,595.51 = 18,886.08 : x
  2. Step 2: Convert to fraction form
    19,383.60/26,595.51 = 18,886.08/x
  3. Step 3: Cross multiply
    19,383.60x = 26,595.51 × 18,886.08
  4. Step 4: Simplify right side
    19,383.60x = 502,284,929.50
  5. Step 5: Solve for x
    x = 502,284,929.50/19,383.60
  6. Step 6: Final answer
    x = 25,912.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.