Home / 25,690.01-35,449.79-14,355.90

Finding the Fourth Proportional to 25,690.01, 35,449.79 and 14,355.90

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Solution

The fourth proportional to 25,690.01, 35,449.79 and 14,355.90 is: 19,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.01 : 35,449.79 = 14,355.90 : x
  2. Step 2: Convert to fraction form
    25,690.01/35,449.79 = 14,355.90/x
  3. Step 3: Cross multiply
    25,690.01x = 35,449.79 × 14,355.90
  4. Step 4: Simplify right side
    25,690.01x = 508,913,568.48
  5. Step 5: Solve for x
    x = 508,913,568.48/25,690.01
  6. Step 6: Final answer
    x = 19,809.79

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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.