Home / 25,400.41-38,030.22-19,141.49

Finding the Fourth Proportional to 25,400.41, 38,030.22 and 19,141.49

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Solution

The fourth proportional to 25,400.41, 38,030.22 and 19,141.49 is: 28,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.41 : 38,030.22 = 19,141.49 : x
  2. Step 2: Convert to fraction form
    25,400.41/38,030.22 = 19,141.49/x
  3. Step 3: Cross multiply
    25,400.41x = 38,030.22 × 19,141.49
  4. Step 4: Simplify right side
    25,400.41x = 727,955,090.86
  5. Step 5: Solve for x
    x = 727,955,090.86/25,400.41
  6. Step 6: Final answer
    x = 28,659.19

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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.