Home / 25,775.90-35,587.88-19,796.88

Finding the Fourth Proportional to 25,775.90, 35,587.88 and 19,796.88

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Solution

The fourth proportional to 25,775.90, 35,587.88 and 19,796.88 is: 27,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.90 : 35,587.88 = 19,796.88 : x
  2. Step 2: Convert to fraction form
    25,775.90/35,587.88 = 19,796.88/x
  3. Step 3: Cross multiply
    25,775.90x = 35,587.88 × 19,796.88
  4. Step 4: Simplify right side
    25,775.90x = 704,528,989.81
  5. Step 5: Solve for x
    x = 704,528,989.81/25,775.90
  6. Step 6: Final answer
    x = 27,332.86

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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.