Home / 15,060.48-20,783.63-8,346.24

Finding the Fourth Proportional to 15,060.48, 20,783.63 and 8,346.24

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Solution

The fourth proportional to 15,060.48, 20,783.63 and 8,346.24 is: 11,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.48 : 20,783.63 = 8,346.24 : x
  2. Step 2: Convert to fraction form
    15,060.48/20,783.63 = 8,346.24/x
  3. Step 3: Cross multiply
    15,060.48x = 20,783.63 × 8,346.24
  4. Step 4: Simplify right side
    15,060.48x = 173,465,122.32
  5. Step 5: Solve for x
    x = 173,465,122.32/15,060.48
  6. Step 6: Final answer
    x = 11,517.90

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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.