Home / 18,196.38-25,109.13-10,237.95

Finding the Fourth Proportional to 18,196.38, 25,109.13 and 10,237.95

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Solution

The fourth proportional to 18,196.38, 25,109.13 and 10,237.95 is: 14,127.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,196.38 : 25,109.13 = 10,237.95 : x
  2. Step 2: Convert to fraction form
    18,196.38/25,109.13 = 10,237.95/x
  3. Step 3: Cross multiply
    18,196.38x = 25,109.13 × 10,237.95
  4. Step 4: Simplify right side
    18,196.38x = 257,066,017.48
  5. Step 5: Solve for x
    x = 257,066,017.48/18,196.38
  6. Step 6: Final answer
    x = 14,127.32

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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.