Home / 13,586.24-20,349.25-10,443.10

Finding the Fourth Proportional to 13,586.24, 20,349.25 and 10,443.10

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Solution

The fourth proportional to 13,586.24, 20,349.25 and 10,443.10 is: 15,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.24 : 20,349.25 = 10,443.10 : x
  2. Step 2: Convert to fraction form
    13,586.24/20,349.25 = 10,443.10/x
  3. Step 3: Cross multiply
    13,586.24x = 20,349.25 × 10,443.10
  4. Step 4: Simplify right side
    13,586.24x = 212,509,252.68
  5. Step 5: Solve for x
    x = 212,509,252.68/13,586.24
  6. Step 6: Final answer
    x = 15,641.51

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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.