Home / 19,109.64-26,370.96-10,611.78

Finding the Fourth Proportional to 19,109.64, 26,370.96 and 10,611.78

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Solution

The fourth proportional to 19,109.64, 26,370.96 and 10,611.78 is: 14,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.64 : 26,370.96 = 10,611.78 : x
  2. Step 2: Convert to fraction form
    19,109.64/26,370.96 = 10,611.78/x
  3. Step 3: Cross multiply
    19,109.64x = 26,370.96 × 10,611.78
  4. Step 4: Simplify right side
    19,109.64x = 279,842,825.91
  5. Step 5: Solve for x
    x = 279,842,825.91/19,109.64
  6. Step 6: Final answer
    x = 14,644.07

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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.