Home / 19,120.65-26,375.80-12,034.77

Finding the Fourth Proportional to 19,120.65, 26,375.80 and 12,034.77

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Solution

The fourth proportional to 19,120.65, 26,375.80 and 12,034.77 is: 16,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.65 : 26,375.80 = 12,034.77 : x
  2. Step 2: Convert to fraction form
    19,120.65/26,375.80 = 12,034.77/x
  3. Step 3: Cross multiply
    19,120.65x = 26,375.80 × 12,034.77
  4. Step 4: Simplify right side
    19,120.65x = 317,426,686.57
  5. Step 5: Solve for x
    x = 317,426,686.57/19,120.65
  6. Step 6: Final answer
    x = 16,601.25

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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.