Home / 18,112.96-24,995.88-10,155.16

Finding the Fourth Proportional to 18,112.96, 24,995.88 and 10,155.16

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Solution

The fourth proportional to 18,112.96, 24,995.88 and 10,155.16 is: 14,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.96 : 24,995.88 = 10,155.16 : x
  2. Step 2: Convert to fraction form
    18,112.96/24,995.88 = 10,155.16/x
  3. Step 3: Cross multiply
    18,112.96x = 24,995.88 × 10,155.16
  4. Step 4: Simplify right side
    18,112.96x = 253,837,160.74
  5. Step 5: Solve for x
    x = 253,837,160.74/18,112.96
  6. Step 6: Final answer
    x = 14,014.12

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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.