Home / 15,056.49-20,777.13-8,342.01

Finding the Fourth Proportional to 15,056.49, 20,777.13 and 8,342.01

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Solution

The fourth proportional to 15,056.49, 20,777.13 and 8,342.01 is: 11,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.49 : 20,777.13 = 8,342.01 : x
  2. Step 2: Convert to fraction form
    15,056.49/20,777.13 = 8,342.01/x
  3. Step 3: Cross multiply
    15,056.49x = 20,777.13 × 8,342.01
  4. Step 4: Simplify right side
    15,056.49x = 173,323,026.23
  5. Step 5: Solve for x
    x = 173,323,026.23/15,056.49
  6. Step 6: Final answer
    x = 11,511.52

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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.