Home / 25,443.45-38,164.73-10,447.32

Finding the Fourth Proportional to 25,443.45, 38,164.73 and 10,447.32

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Solution

The fourth proportional to 25,443.45, 38,164.73 and 10,447.32 is: 15,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.45 : 38,164.73 = 10,447.32 : x
  2. Step 2: Convert to fraction form
    25,443.45/38,164.73 = 10,447.32/x
  3. Step 3: Cross multiply
    25,443.45x = 38,164.73 × 10,447.32
  4. Step 4: Simplify right side
    25,443.45x = 398,719,094.79
  5. Step 5: Solve for x
    x = 398,719,094.79/25,443.45
  6. Step 6: Final answer
    x = 15,670.80

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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.