Home / 18,090-24,964.27-11,802.38

Finding the Fourth Proportional to 18,090, 24,964.27 and 11,802.38

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Solution

The fourth proportional to 18,090, 24,964.27 and 11,802.38 is: 16,287.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090 : 24,964.27 = 11,802.38 : x
  2. Step 2: Convert to fraction form
    18,090/24,964.27 = 11,802.38/x
  3. Step 3: Cross multiply
    18,090x = 24,964.27 × 11,802.38
  4. Step 4: Simplify right side
    18,090x = 294,637,646.64
  5. Step 5: Solve for x
    x = 294,637,646.64/18,090
  6. Step 6: Final answer
    x = 16,287.32

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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.