Home / 18,497.28-25,519.95-11,330.58

Finding the Fourth Proportional to 18,497.28, 25,519.95 and 11,330.58

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Solution

The fourth proportional to 18,497.28, 25,519.95 and 11,330.58 is: 15,632.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.28 : 25,519.95 = 11,330.58 : x
  2. Step 2: Convert to fraction form
    18,497.28/25,519.95 = 11,330.58/x
  3. Step 3: Cross multiply
    18,497.28x = 25,519.95 × 11,330.58
  4. Step 4: Simplify right side
    18,497.28x = 289,155,835.07
  5. Step 5: Solve for x
    x = 289,155,835.07/18,497.28
  6. Step 6: Final answer
    x = 15,632.34

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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.