Home / 25,813.63-35,623.20-14,485.60

Finding the Fourth Proportional to 25,813.63, 35,623.20 and 14,485.60

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Solution

The fourth proportional to 25,813.63, 35,623.20 and 14,485.60 is: 19,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.63 : 35,623.20 = 14,485.60 : x
  2. Step 2: Convert to fraction form
    25,813.63/35,623.20 = 14,485.60/x
  3. Step 3: Cross multiply
    25,813.63x = 35,623.20 × 14,485.60
  4. Step 4: Simplify right side
    25,813.63x = 516,023,425.92
  5. Step 5: Solve for x
    x = 516,023,425.92/25,813.63
  6. Step 6: Final answer
    x = 19,990.35

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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.