Home / 18,425.04-27,618.72-7,328.64

Finding the Fourth Proportional to 18,425.04, 27,618.72 and 7,328.64

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Solution

The fourth proportional to 18,425.04, 27,618.72 and 7,328.64 is: 10,985.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.04 : 27,618.72 = 7,328.64 : x
  2. Step 2: Convert to fraction form
    18,425.04/27,618.72 = 7,328.64/x
  3. Step 3: Cross multiply
    18,425.04x = 27,618.72 × 7,328.64
  4. Step 4: Simplify right side
    18,425.04x = 202,407,656.14
  5. Step 5: Solve for x
    x = 202,407,656.14/18,425.04
  6. Step 6: Final answer
    x = 10,985.47

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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.