Home / 15,583.80-23,378.80-5,723.18

Finding the Fourth Proportional to 15,583.80, 23,378.80 and 5,723.18

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Solution

The fourth proportional to 15,583.80, 23,378.80 and 5,723.18 is: 8,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,583.80 : 23,378.80 = 5,723.18 : x
  2. Step 2: Convert to fraction form
    15,583.80/23,378.80 = 5,723.18/x
  3. Step 3: Cross multiply
    15,583.80x = 23,378.80 × 5,723.18
  4. Step 4: Simplify right side
    15,583.80x = 133,801,080.58
  5. Step 5: Solve for x
    x = 133,801,080.58/15,583.80
  6. Step 6: Final answer
    x = 8,585.91

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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.