Home / 15,781.46-23,675.88-4,688.24

Finding the Fourth Proportional to 15,781.46, 23,675.88 and 4,688.24

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Solution

The fourth proportional to 15,781.46, 23,675.88 and 4,688.24 is: 7,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.46 : 23,675.88 = 4,688.24 : x
  2. Step 2: Convert to fraction form
    15,781.46/23,675.88 = 4,688.24/x
  3. Step 3: Cross multiply
    15,781.46x = 23,675.88 × 4,688.24
  4. Step 4: Simplify right side
    15,781.46x = 110,998,207.65
  5. Step 5: Solve for x
    x = 110,998,207.65/15,781.46
  6. Step 6: Final answer
    x = 7,033.46

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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.