Home / 19,542.48-26,956.32-12,828.48

Finding the Fourth Proportional to 19,542.48, 26,956.32 and 12,828.48

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Solution

The fourth proportional to 19,542.48, 26,956.32 and 12,828.48 is: 17,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.48 : 26,956.32 = 12,828.48 : x
  2. Step 2: Convert to fraction form
    19,542.48/26,956.32 = 12,828.48/x
  3. Step 3: Cross multiply
    19,542.48x = 26,956.32 × 12,828.48
  4. Step 4: Simplify right side
    19,542.48x = 345,808,611.99
  5. Step 5: Solve for x
    x = 345,808,611.99/19,542.48
  6. Step 6: Final answer
    x = 17,695.23

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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.