Home / 13,494.50-18,622.61-7,526.62

Finding the Fourth Proportional to 13,494.50, 18,622.61 and 7,526.62

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Solution

The fourth proportional to 13,494.50, 18,622.61 and 7,526.62 is: 10,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.50 : 18,622.61 = 7,526.62 : x
  2. Step 2: Convert to fraction form
    13,494.50/18,622.61 = 7,526.62/x
  3. Step 3: Cross multiply
    13,494.50x = 18,622.61 × 7,526.62
  4. Step 4: Simplify right side
    13,494.50x = 140,165,322.75
  5. Step 5: Solve for x
    x = 140,165,322.75/13,494.50
  6. Step 6: Final answer
    x = 10,386.85

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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.