Home / 13,552.99-18,704.12-7,586.60

Finding the Fourth Proportional to 13,552.99, 18,704.12 and 7,586.60

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Solution

The fourth proportional to 13,552.99, 18,704.12 and 7,586.60 is: 10,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.99 : 18,704.12 = 7,586.60 : x
  2. Step 2: Convert to fraction form
    13,552.99/18,704.12 = 7,586.60/x
  3. Step 3: Cross multiply
    13,552.99x = 18,704.12 × 7,586.60
  4. Step 4: Simplify right side
    13,552.99x = 141,900,545.34
  5. Step 5: Solve for x
    x = 141,900,545.34/13,552.99
  6. Step 6: Final answer
    x = 10,470.06

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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.