Home / 15,445.49-23,159.93-4,912.65

Finding the Fourth Proportional to 15,445.49, 23,159.93 and 4,912.65

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Solution

The fourth proportional to 15,445.49, 23,159.93 and 4,912.65 is: 7,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.49 : 23,159.93 = 4,912.65 : x
  2. Step 2: Convert to fraction form
    15,445.49/23,159.93 = 4,912.65/x
  3. Step 3: Cross multiply
    15,445.49x = 23,159.93 × 4,912.65
  4. Step 4: Simplify right side
    15,445.49x = 113,776,605.55
  5. Step 5: Solve for x
    x = 113,776,605.55/15,445.49
  6. Step 6: Final answer
    x = 7,366.33

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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.