Home / 15,193.02-20,966.24-8,479.06

Finding the Fourth Proportional to 15,193.02, 20,966.24 and 8,479.06

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Solution

The fourth proportional to 15,193.02, 20,966.24 and 8,479.06 is: 11,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193.02 : 20,966.24 = 8,479.06 : x
  2. Step 2: Convert to fraction form
    15,193.02/20,966.24 = 8,479.06/x
  3. Step 3: Cross multiply
    15,193.02x = 20,966.24 × 8,479.06
  4. Step 4: Simplify right side
    15,193.02x = 177,774,006.93
  5. Step 5: Solve for x
    x = 177,774,006.93/15,193.02
  6. Step 6: Final answer
    x = 11,701.03

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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.