Home / 29,528.16-40,740.48-18,193.92

Finding the Fourth Proportional to 29,528.16, 40,740.48 and 18,193.92

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Solution

The fourth proportional to 29,528.16, 40,740.48 and 18,193.92 is: 25,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,528.16 : 40,740.48 = 18,193.92 : x
  2. Step 2: Convert to fraction form
    29,528.16/40,740.48 = 18,193.92/x
  3. Step 3: Cross multiply
    29,528.16x = 40,740.48 × 18,193.92
  4. Step 4: Simplify right side
    29,528.16x = 741,229,033.88
  5. Step 5: Solve for x
    x = 741,229,033.88/29,528.16
  6. Step 6: Final answer
    x = 25,102.45

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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.