Home / 54,858.04-82,287.54-13,305.08

Finding the Fourth Proportional to 54,858.04, 82,287.54 and 13,305.08

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Solution

The fourth proportional to 54,858.04, 82,287.54 and 13,305.08 is: 19,957.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.04 : 82,287.54 = 13,305.08 : x
  2. Step 2: Convert to fraction form
    54,858.04/82,287.54 = 13,305.08/x
  3. Step 3: Cross multiply
    54,858.04x = 82,287.54 × 13,305.08
  4. Step 4: Simplify right side
    54,858.04x = 1,094,842,302.70
  5. Step 5: Solve for x
    x = 1,094,842,302.70/54,858.04
  6. Step 6: Final answer
    x = 19,957.74

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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.