Home / 15,746.76-23,621.40-5,216.36

Finding the Fourth Proportional to 15,746.76, 23,621.40 and 5,216.36

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Solution

The fourth proportional to 15,746.76, 23,621.40 and 5,216.36 is: 7,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.76 : 23,621.40 = 5,216.36 : x
  2. Step 2: Convert to fraction form
    15,746.76/23,621.40 = 5,216.36/x
  3. Step 3: Cross multiply
    15,746.76x = 23,621.40 × 5,216.36
  4. Step 4: Simplify right side
    15,746.76x = 123,217,608.00
  5. Step 5: Solve for x
    x = 123,217,608.00/15,746.76
  6. Step 6: Final answer
    x = 7,824.95

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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.