Home / 12,836.96-19,254.11-8,703.52

Finding the Fourth Proportional to 12,836.96, 19,254.11 and 8,703.52

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Solution

The fourth proportional to 12,836.96, 19,254.11 and 8,703.52 is: 13,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.96 : 19,254.11 = 8,703.52 : x
  2. Step 2: Convert to fraction form
    12,836.96/19,254.11 = 8,703.52/x
  3. Step 3: Cross multiply
    12,836.96x = 19,254.11 × 8,703.52
  4. Step 4: Simplify right side
    12,836.96x = 167,578,531.47
  5. Step 5: Solve for x
    x = 167,578,531.47/12,836.96
  6. Step 6: Final answer
    x = 13,054.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.