Home / 25,863.14-35,692.66-19,478.47

Finding the Fourth Proportional to 25,863.14, 35,692.66 and 19,478.47

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Solution

The fourth proportional to 25,863.14, 35,692.66 and 19,478.47 is: 26,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,863.14 : 35,692.66 = 19,478.47 : x
  2. Step 2: Convert to fraction form
    25,863.14/35,692.66 = 19,478.47/x
  3. Step 3: Cross multiply
    25,863.14x = 35,692.66 × 19,478.47
  4. Step 4: Simplify right side
    25,863.14x = 695,238,407.03
  5. Step 5: Solve for x
    x = 695,238,407.03/25,863.14
  6. Step 6: Final answer
    x = 26,881.44

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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.