Home / 25,356.40-34,991.22-14,025.60

Finding the Fourth Proportional to 25,356.40, 34,991.22 and 14,025.60

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Solution

The fourth proportional to 25,356.40, 34,991.22 and 14,025.60 is: 19,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.40 : 34,991.22 = 14,025.60 : x
  2. Step 2: Convert to fraction form
    25,356.40/34,991.22 = 14,025.60/x
  3. Step 3: Cross multiply
    25,356.40x = 34,991.22 × 14,025.60
  4. Step 4: Simplify right side
    25,356.40x = 490,772,855.23
  5. Step 5: Solve for x
    x = 490,772,855.23/25,356.40
  6. Step 6: Final answer
    x = 19,354.99

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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.