Home / 18,197.84-25,112.93-10,240.13

Finding the Fourth Proportional to 18,197.84, 25,112.93 and 10,240.13

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Solution

The fourth proportional to 18,197.84, 25,112.93 and 10,240.13 is: 14,131.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.84 : 25,112.93 = 10,240.13 : x
  2. Step 2: Convert to fraction form
    18,197.84/25,112.93 = 10,240.13/x
  3. Step 3: Cross multiply
    18,197.84x = 25,112.93 × 10,240.13
  4. Step 4: Simplify right side
    18,197.84x = 257,159,679.46
  5. Step 5: Solve for x
    x = 257,159,679.46/18,197.84
  6. Step 6: Final answer
    x = 14,131.33

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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.