Home / 15,060.17-20,784.26-8,346.38

Finding the Fourth Proportional to 15,060.17, 20,784.26 and 8,346.38

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Solution

The fourth proportional to 15,060.17, 20,784.26 and 8,346.38 is: 11,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.17 : 20,784.26 = 8,346.38 : x
  2. Step 2: Convert to fraction form
    15,060.17/20,784.26 = 8,346.38/x
  3. Step 3: Cross multiply
    15,060.17x = 20,784.26 × 8,346.38
  4. Step 4: Simplify right side
    15,060.17x = 173,473,331.98
  5. Step 5: Solve for x
    x = 173,473,331.98/15,060.17
  6. Step 6: Final answer
    x = 11,518.68

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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.