Home / 19,656.40-27,124.05-11,697.34

Finding the Fourth Proportional to 19,656.40, 27,124.05 and 11,697.34

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Solution

The fourth proportional to 19,656.40, 27,124.05 and 11,697.34 is: 16,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,656.40 : 27,124.05 = 11,697.34 : x
  2. Step 2: Convert to fraction form
    19,656.40/27,124.05 = 11,697.34/x
  3. Step 3: Cross multiply
    19,656.40x = 27,124.05 × 11,697.34
  4. Step 4: Simplify right side
    19,656.40x = 317,279,235.03
  5. Step 5: Solve for x
    x = 317,279,235.03/19,656.40
  6. Step 6: Final answer
    x = 16,141.27

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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.