Home / 19,369.20-26,727.92-10,870.16

Finding the Fourth Proportional to 19,369.20, 26,727.92 and 10,870.16

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Solution

The fourth proportional to 19,369.20, 26,727.92 and 10,870.16 is: 14,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.20 : 26,727.92 = 10,870.16 : x
  2. Step 2: Convert to fraction form
    19,369.20/26,727.92 = 10,870.16/x
  3. Step 3: Cross multiply
    19,369.20x = 26,727.92 × 10,870.16
  4. Step 4: Simplify right side
    19,369.20x = 290,536,766.87
  5. Step 5: Solve for x
    x = 290,536,766.87/19,369.20
  6. Step 6: Final answer
    x = 14,999.94

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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.