Home / 25,866.80-35,713.08-19,887.44

Finding the Fourth Proportional to 25,866.80, 35,713.08 and 19,887.44

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Solution

The fourth proportional to 25,866.80, 35,713.08 and 19,887.44 is: 27,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,866.80 : 35,713.08 = 19,887.44 : x
  2. Step 2: Convert to fraction form
    25,866.80/35,713.08 = 19,887.44/x
  3. Step 3: Cross multiply
    25,866.80x = 35,713.08 × 19,887.44
  4. Step 4: Simplify right side
    25,866.80x = 710,241,735.72
  5. Step 5: Solve for x
    x = 710,241,735.72/25,866.80
  6. Step 6: Final answer
    x = 27,457.66

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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.