Home / 25,643.70-38,465.55-23,991.30

Finding the Fourth Proportional to 25,643.70, 38,465.55 and 23,991.30

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Solution

The fourth proportional to 25,643.70, 38,465.55 and 23,991.30 is: 35,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.70 : 38,465.55 = 23,991.30 : x
  2. Step 2: Convert to fraction form
    25,643.70/38,465.55 = 23,991.30/x
  3. Step 3: Cross multiply
    25,643.70x = 38,465.55 × 23,991.30
  4. Step 4: Simplify right side
    25,643.70x = 922,838,549.72
  5. Step 5: Solve for x
    x = 922,838,549.72/25,643.70
  6. Step 6: Final answer
    x = 35,986.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.