Home / 18,100.68-24,979.50-10,141.08

Finding the Fourth Proportional to 18,100.68, 24,979.50 and 10,141.08

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Solution

The fourth proportional to 18,100.68, 24,979.50 and 10,141.08 is: 13,995.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.68 : 24,979.50 = 10,141.08 : x
  2. Step 2: Convert to fraction form
    18,100.68/24,979.50 = 10,141.08/x
  3. Step 3: Cross multiply
    18,100.68x = 24,979.50 × 10,141.08
  4. Step 4: Simplify right side
    18,100.68x = 253,319,107.86
  5. Step 5: Solve for x
    x = 253,319,107.86/18,100.68
  6. Step 6: Final answer
    x = 13,995.01

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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.