Home / 18,112.47-24,995.21-10,559.12

Finding the Fourth Proportional to 18,112.47, 24,995.21 and 10,559.12

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Solution

The fourth proportional to 18,112.47, 24,995.21 and 10,559.12 is: 14,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.47 : 24,995.21 = 10,559.12 : x
  2. Step 2: Convert to fraction form
    18,112.47/24,995.21 = 10,559.12/x
  3. Step 3: Cross multiply
    18,112.47x = 24,995.21 × 10,559.12
  4. Step 4: Simplify right side
    18,112.47x = 263,927,421.82
  5. Step 5: Solve for x
    x = 263,927,421.82/18,112.47
  6. Step 6: Final answer
    x = 14,571.59

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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.