Home / 14,959.68-20,639.76-8,670.96

Finding the Fourth Proportional to 14,959.68, 20,639.76 and 8,670.96

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Solution

The fourth proportional to 14,959.68, 20,639.76 and 8,670.96 is: 11,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.68 : 20,639.76 = 8,670.96 : x
  2. Step 2: Convert to fraction form
    14,959.68/20,639.76 = 8,670.96/x
  3. Step 3: Cross multiply
    14,959.68x = 20,639.76 × 8,670.96
  4. Step 4: Simplify right side
    14,959.68x = 178,966,533.37
  5. Step 5: Solve for x
    x = 178,966,533.37/14,959.68
  6. Step 6: Final answer
    x = 11,963.26

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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.