Home / 18,335.04-25,257.52-13,284.32

Finding the Fourth Proportional to 18,335.04, 25,257.52 and 13,284.32

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Solution

The fourth proportional to 18,335.04, 25,257.52 and 13,284.32 is: 18,299.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.04 : 25,257.52 = 13,284.32 : x
  2. Step 2: Convert to fraction form
    18,335.04/25,257.52 = 13,284.32/x
  3. Step 3: Cross multiply
    18,335.04x = 25,257.52 × 13,284.32
  4. Step 4: Simplify right side
    18,335.04x = 335,528,978.09
  5. Step 5: Solve for x
    x = 335,528,978.09/18,335.04
  6. Step 6: Final answer
    x = 18,299.88

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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.