Home / 19,188.08-26,479.82-10,689.96

Finding the Fourth Proportional to 19,188.08, 26,479.82 and 10,689.96

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Solution

The fourth proportional to 19,188.08, 26,479.82 and 10,689.96 is: 14,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.08 : 26,479.82 = 10,689.96 : x
  2. Step 2: Convert to fraction form
    19,188.08/26,479.82 = 10,689.96/x
  3. Step 3: Cross multiply
    19,188.08x = 26,479.82 × 10,689.96
  4. Step 4: Simplify right side
    19,188.08x = 283,068,216.61
  5. Step 5: Solve for x
    x = 283,068,216.61/19,188.08
  6. Step 6: Final answer
    x = 14,752.29

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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.