Home / 13,562.24-20,346.46-5,242.32

Finding the Fourth Proportional to 13,562.24, 20,346.46 and 5,242.32

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Solution

The fourth proportional to 13,562.24, 20,346.46 and 5,242.32 is: 7,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.24 : 20,346.46 = 5,242.32 : x
  2. Step 2: Convert to fraction form
    13,562.24/20,346.46 = 5,242.32/x
  3. Step 3: Cross multiply
    13,562.24x = 20,346.46 × 5,242.32
  4. Step 4: Simplify right side
    13,562.24x = 106,662,641.08
  5. Step 5: Solve for x
    x = 106,662,641.08/13,562.24
  6. Step 6: Final answer
    x = 7,864.68

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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.