Home / 13,065.67-18,033.45-8,034.20

Finding the Fourth Proportional to 13,065.67, 18,033.45 and 8,034.20

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Solution

The fourth proportional to 13,065.67, 18,033.45 and 8,034.20 is: 11,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.67 : 18,033.45 = 8,034.20 : x
  2. Step 2: Convert to fraction form
    13,065.67/18,033.45 = 8,034.20/x
  3. Step 3: Cross multiply
    13,065.67x = 18,033.45 × 8,034.20
  4. Step 4: Simplify right side
    13,065.67x = 144,884,343.99
  5. Step 5: Solve for x
    x = 144,884,343.99/13,065.67
  6. Step 6: Final answer
    x = 11,088.93

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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.