Home / 18,617.68-25,693.96-10,235.76

Finding the Fourth Proportional to 18,617.68, 25,693.96 and 10,235.76

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Solution

The fourth proportional to 18,617.68, 25,693.96 and 10,235.76 is: 14,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.68 : 25,693.96 = 10,235.76 : x
  2. Step 2: Convert to fraction form
    18,617.68/25,693.96 = 10,235.76/x
  3. Step 3: Cross multiply
    18,617.68x = 25,693.96 × 10,235.76
  4. Step 4: Simplify right side
    18,617.68x = 262,997,208.01
  5. Step 5: Solve for x
    x = 262,997,208.01/18,617.68
  6. Step 6: Final answer
    x = 14,126.21

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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.