Home / 25,634.95-35,392.25-19,655.12

Finding the Fourth Proportional to 25,634.95, 35,392.25 and 19,655.12

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Solution

The fourth proportional to 25,634.95, 35,392.25 and 19,655.12 is: 27,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.95 : 35,392.25 = 19,655.12 : x
  2. Step 2: Convert to fraction form
    25,634.95/35,392.25 = 19,655.12/x
  3. Step 3: Cross multiply
    25,634.95x = 35,392.25 × 19,655.12
  4. Step 4: Simplify right side
    25,634.95x = 695,639,058.44
  5. Step 5: Solve for x
    x = 695,639,058.44/25,634.95
  6. Step 6: Final answer
    x = 27,136.36

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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.