Home / 15,009.12-22,504.32-7,216.32

Finding the Fourth Proportional to 15,009.12, 22,504.32 and 7,216.32

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Solution

The fourth proportional to 15,009.12, 22,504.32 and 7,216.32 is: 10,819.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009.12 : 22,504.32 = 7,216.32 : x
  2. Step 2: Convert to fraction form
    15,009.12/22,504.32 = 7,216.32/x
  3. Step 3: Cross multiply
    15,009.12x = 22,504.32 × 7,216.32
  4. Step 4: Simplify right side
    15,009.12x = 162,398,374.50
  5. Step 5: Solve for x
    x = 162,398,374.50/15,009.12
  6. Step 6: Final answer
    x = 10,819.98

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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.