Home / 15,172.57-22,758.84-4,784.32

Finding the Fourth Proportional to 15,172.57, 22,758.84 and 4,784.32

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Solution

The fourth proportional to 15,172.57, 22,758.84 and 4,784.32 is: 7,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.57 : 22,758.84 = 4,784.32 : x
  2. Step 2: Convert to fraction form
    15,172.57/22,758.84 = 4,784.32/x
  3. Step 3: Cross multiply
    15,172.57x = 22,758.84 × 4,784.32
  4. Step 4: Simplify right side
    15,172.57x = 108,885,573.39
  5. Step 5: Solve for x
    x = 108,885,573.39/15,172.57
  6. Step 6: Final answer
    x = 7,176.48

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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.