Home / 18,108.64-24,988.54-10,149.34

Finding the Fourth Proportional to 18,108.64, 24,988.54 and 10,149.34

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Solution

The fourth proportional to 18,108.64, 24,988.54 and 10,149.34 is: 14,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.64 : 24,988.54 = 10,149.34 : x
  2. Step 2: Convert to fraction form
    18,108.64/24,988.54 = 10,149.34/x
  3. Step 3: Cross multiply
    18,108.64x = 24,988.54 × 10,149.34
  4. Step 4: Simplify right side
    18,108.64x = 253,617,188.56
  5. Step 5: Solve for x
    x = 253,617,188.56/18,108.64
  6. Step 6: Final answer
    x = 14,005.31

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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.