Home / 15,782.14-23,672.72-4,688.79

Finding the Fourth Proportional to 15,782.14, 23,672.72 and 4,688.79

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Solution

The fourth proportional to 15,782.14, 23,672.72 and 4,688.79 is: 7,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.14 : 23,672.72 = 4,688.79 : x
  2. Step 2: Convert to fraction form
    15,782.14/23,672.72 = 4,688.79/x
  3. Step 3: Cross multiply
    15,782.14x = 23,672.72 × 4,688.79
  4. Step 4: Simplify right side
    15,782.14x = 110,996,335.76
  5. Step 5: Solve for x
    x = 110,996,335.76/15,782.14
  6. Step 6: Final answer
    x = 7,033.03

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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.