Home / 25,630.88-35,371.92-19,332.32

Finding the Fourth Proportional to 25,630.88, 35,371.92 and 19,332.32

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Solution

The fourth proportional to 25,630.88, 35,371.92 and 19,332.32 is: 26,679.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,630.88 : 35,371.92 = 19,332.32 : x
  2. Step 2: Convert to fraction form
    25,630.88/35,371.92 = 19,332.32/x
  3. Step 3: Cross multiply
    25,630.88x = 35,371.92 × 19,332.32
  4. Step 4: Simplify right side
    25,630.88x = 683,821,276.45
  5. Step 5: Solve for x
    x = 683,821,276.45/25,630.88
  6. Step 6: Final answer
    x = 26,679.59

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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.