Home / 18,724.68-25,840.04-10,341.16

Finding the Fourth Proportional to 18,724.68, 25,840.04 and 10,341.16

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Solution

The fourth proportional to 18,724.68, 25,840.04 and 10,341.16 is: 14,270.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.68 : 25,840.04 = 10,341.16 : x
  2. Step 2: Convert to fraction form
    18,724.68/25,840.04 = 10,341.16/x
  3. Step 3: Cross multiply
    18,724.68x = 25,840.04 × 10,341.16
  4. Step 4: Simplify right side
    18,724.68x = 267,215,988.05
  5. Step 5: Solve for x
    x = 267,215,988.05/18,724.68
  6. Step 6: Final answer
    x = 14,270.79

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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.