Home / 18,116.07-25,001.10-10,157.82

Finding the Fourth Proportional to 18,116.07, 25,001.10 and 10,157.82

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Solution

The fourth proportional to 18,116.07, 25,001.10 and 10,157.82 is: 14,018.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.07 : 25,001.10 = 10,157.82 : x
  2. Step 2: Convert to fraction form
    18,116.07/25,001.10 = 10,157.82/x
  3. Step 3: Cross multiply
    18,116.07x = 25,001.10 × 10,157.82
  4. Step 4: Simplify right side
    18,116.07x = 253,956,673.60
  5. Step 5: Solve for x
    x = 253,956,673.60/18,116.07
  6. Step 6: Final answer
    x = 14,018.31

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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.