Home / 13,088.49-18,078.33-9,497.67

Finding the Fourth Proportional to 13,088.49, 18,078.33 and 9,497.67

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Solution

The fourth proportional to 13,088.49, 18,078.33 and 9,497.67 is: 13,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.49 : 18,078.33 = 9,497.67 : x
  2. Step 2: Convert to fraction form
    13,088.49/18,078.33 = 9,497.67/x
  3. Step 3: Cross multiply
    13,088.49x = 18,078.33 × 9,497.67
  4. Step 4: Simplify right side
    13,088.49x = 171,702,012.49
  5. Step 5: Solve for x
    x = 171,702,012.49/13,088.49
  6. Step 6: Final answer
    x = 13,118.55

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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.