Home / 18,282.27-27,417.78-9,512.40

Finding the Fourth Proportional to 18,282.27, 27,417.78 and 9,512.40

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Solution

The fourth proportional to 18,282.27, 27,417.78 and 9,512.40 is: 14,265.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.27 : 27,417.78 = 9,512.40 : x
  2. Step 2: Convert to fraction form
    18,282.27/27,417.78 = 9,512.40/x
  3. Step 3: Cross multiply
    18,282.27x = 27,417.78 × 9,512.40
  4. Step 4: Simplify right side
    18,282.27x = 260,808,890.47
  5. Step 5: Solve for x
    x = 260,808,890.47/18,282.27
  6. Step 6: Final answer
    x = 14,265.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.