Home / 19,308.88-26,644.35-10,810.54

Finding the Fourth Proportional to 19,308.88, 26,644.35 and 10,810.54

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Solution

The fourth proportional to 19,308.88, 26,644.35 and 10,810.54 is: 14,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.88 : 26,644.35 = 10,810.54 : x
  2. Step 2: Convert to fraction form
    19,308.88/26,644.35 = 10,810.54/x
  3. Step 3: Cross multiply
    19,308.88x = 26,644.35 × 10,810.54
  4. Step 4: Simplify right side
    19,308.88x = 288,039,811.45
  5. Step 5: Solve for x
    x = 288,039,811.45/19,308.88
  6. Step 6: Final answer
    x = 14,917.48

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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.