Home / 19,166.30-26,449.45-10,782.80

Finding the Fourth Proportional to 19,166.30, 26,449.45 and 10,782.80

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Solution

The fourth proportional to 19,166.30, 26,449.45 and 10,782.80 is: 14,880.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.30 : 26,449.45 = 10,782.80 : x
  2. Step 2: Convert to fraction form
    19,166.30/26,449.45 = 10,782.80/x
  3. Step 3: Cross multiply
    19,166.30x = 26,449.45 × 10,782.80
  4. Step 4: Simplify right side
    19,166.30x = 285,199,129.46
  5. Step 5: Solve for x
    x = 285,199,129.46/19,166.30
  6. Step 6: Final answer
    x = 14,880.24

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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.