Home / 18,531.54-27,802.50-7,446.01

Finding the Fourth Proportional to 18,531.54, 27,802.50 and 7,446.01

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Solution

The fourth proportional to 18,531.54, 27,802.50 and 7,446.01 is: 11,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.54 : 27,802.50 = 7,446.01 : x
  2. Step 2: Convert to fraction form
    18,531.54/27,802.50 = 7,446.01/x
  3. Step 3: Cross multiply
    18,531.54x = 27,802.50 × 7,446.01
  4. Step 4: Simplify right side
    18,531.54x = 207,017,693.03
  5. Step 5: Solve for x
    x = 207,017,693.03/18,531.54
  6. Step 6: Final answer
    x = 11,171.10

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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.