Home / 30,132.59-41,565.60-18,796.64

Finding the Fourth Proportional to 30,132.59, 41,565.60 and 18,796.64

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Solution

The fourth proportional to 30,132.59, 41,565.60 and 18,796.64 is: 25,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.59 : 41,565.60 = 18,796.64 : x
  2. Step 2: Convert to fraction form
    30,132.59/41,565.60 = 18,796.64/x
  3. Step 3: Cross multiply
    30,132.59x = 41,565.60 × 18,796.64
  4. Step 4: Simplify right side
    30,132.59x = 781,293,411.76
  5. Step 5: Solve for x
    x = 781,293,411.76/30,132.59
  6. Step 6: Final answer
    x = 25,928.52

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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.