Home / 25,810.56-35,638.64-19,832.80

Finding the Fourth Proportional to 25,810.56, 35,638.64 and 19,832.80

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Solution

The fourth proportional to 25,810.56, 35,638.64 and 19,832.80 is: 27,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,810.56 : 35,638.64 = 19,832.80 : x
  2. Step 2: Convert to fraction form
    25,810.56/35,638.64 = 19,832.80/x
  3. Step 3: Cross multiply
    25,810.56x = 35,638.64 × 19,832.80
  4. Step 4: Simplify right side
    25,810.56x = 706,814,019.39
  5. Step 5: Solve for x
    x = 706,814,019.39/25,810.56
  6. Step 6: Final answer
    x = 27,384.68

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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.