Home / 19,352.01-26,711.44-12,638.68

Finding the Fourth Proportional to 19,352.01, 26,711.44 and 12,638.68

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Solution

The fourth proportional to 19,352.01, 26,711.44 and 12,638.68 is: 17,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,352.01 : 26,711.44 = 12,638.68 : x
  2. Step 2: Convert to fraction form
    19,352.01/26,711.44 = 12,638.68/x
  3. Step 3: Cross multiply
    19,352.01x = 26,711.44 × 12,638.68
  4. Step 4: Simplify right side
    19,352.01x = 337,597,365.30
  5. Step 5: Solve for x
    x = 337,597,365.30/19,352.01
  6. Step 6: Final answer
    x = 17,445.08

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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.