Home / 19,357.92-26,714.28-10,861.98

Finding the Fourth Proportional to 19,357.92, 26,714.28 and 10,861.98

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Solution

The fourth proportional to 19,357.92, 26,714.28 and 10,861.98 is: 14,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.92 : 26,714.28 = 10,861.98 : x
  2. Step 2: Convert to fraction form
    19,357.92/26,714.28 = 10,861.98/x
  3. Step 3: Cross multiply
    19,357.92x = 26,714.28 × 10,861.98
  4. Step 4: Simplify right side
    19,357.92x = 290,169,975.07
  5. Step 5: Solve for x
    x = 290,169,975.07/19,357.92
  6. Step 6: Final answer
    x = 14,989.73

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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.