Home / 15,608.46-21,533.66-9,629.76

Finding the Fourth Proportional to 15,608.46, 21,533.66 and 9,629.76

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Solution

The fourth proportional to 15,608.46, 21,533.66 and 9,629.76 is: 13,285.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.46 : 21,533.66 = 9,629.76 : x
  2. Step 2: Convert to fraction form
    15,608.46/21,533.66 = 9,629.76/x
  3. Step 3: Cross multiply
    15,608.46x = 21,533.66 × 9,629.76
  4. Step 4: Simplify right side
    15,608.46x = 207,363,929.57
  5. Step 5: Solve for x
    x = 207,363,929.57/15,608.46
  6. Step 6: Final answer
    x = 13,285.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.