Home / 22,165.04-30,599.88-15,000.32

Finding the Fourth Proportional to 22,165.04, 30,599.88 and 15,000.32

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Solution

The fourth proportional to 22,165.04, 30,599.88 and 15,000.32 is: 20,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.04 : 30,599.88 = 15,000.32 : x
  2. Step 2: Convert to fraction form
    22,165.04/30,599.88 = 15,000.32/x
  3. Step 3: Cross multiply
    22,165.04x = 30,599.88 × 15,000.32
  4. Step 4: Simplify right side
    22,165.04x = 459,007,991.96
  5. Step 5: Solve for x
    x = 459,007,991.96/22,165.04
  6. Step 6: Final answer
    x = 20,708.65

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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.