Home / 18,105.02-24,986.63-10,550.76

Finding the Fourth Proportional to 18,105.02, 24,986.63 and 10,550.76

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Solution

The fourth proportional to 18,105.02, 24,986.63 and 10,550.76 is: 14,561.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.02 : 24,986.63 = 10,550.76 : x
  2. Step 2: Convert to fraction form
    18,105.02/24,986.63 = 10,550.76/x
  3. Step 3: Cross multiply
    18,105.02x = 24,986.63 × 10,550.76
  4. Step 4: Simplify right side
    18,105.02x = 263,627,809.67
  5. Step 5: Solve for x
    x = 263,627,809.67/18,105.02
  6. Step 6: Final answer
    x = 14,561.03

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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.