Home / 19,302.44-26,638.65-10,805.31

Finding the Fourth Proportional to 19,302.44, 26,638.65 and 10,805.31

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Solution

The fourth proportional to 19,302.44, 26,638.65 and 10,805.31 is: 14,912.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.44 : 26,638.65 = 10,805.31 : x
  2. Step 2: Convert to fraction form
    19,302.44/26,638.65 = 10,805.31/x
  3. Step 3: Cross multiply
    19,302.44x = 26,638.65 × 10,805.31
  4. Step 4: Simplify right side
    19,302.44x = 287,838,871.23
  5. Step 5: Solve for x
    x = 287,838,871.23/19,302.44
  6. Step 6: Final answer
    x = 14,912.05

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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.