Home / 14,158.68-19,539.40-8,192.22

Finding the Fourth Proportional to 14,158.68, 19,539.40 and 8,192.22

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Solution

The fourth proportional to 14,158.68, 19,539.40 and 8,192.22 is: 11,305.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.68 : 19,539.40 = 8,192.22 : x
  2. Step 2: Convert to fraction form
    14,158.68/19,539.40 = 8,192.22/x
  3. Step 3: Cross multiply
    14,158.68x = 19,539.40 × 8,192.22
  4. Step 4: Simplify right side
    14,158.68x = 160,071,063.47
  5. Step 5: Solve for x
    x = 160,071,063.47/14,158.68
  6. Step 6: Final answer
    x = 11,305.51

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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.