Home / 19,019.08-26,237.49-12,306.88

Finding the Fourth Proportional to 19,019.08, 26,237.49 and 12,306.88

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Solution

The fourth proportional to 19,019.08, 26,237.49 and 12,306.88 is: 16,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.08 : 26,237.49 = 12,306.88 : x
  2. Step 2: Convert to fraction form
    19,019.08/26,237.49 = 12,306.88/x
  3. Step 3: Cross multiply
    19,019.08x = 26,237.49 × 12,306.88
  4. Step 4: Simplify right side
    19,019.08x = 322,901,640.93
  5. Step 5: Solve for x
    x = 322,901,640.93/19,019.08
  6. Step 6: Final answer
    x = 16,977.77

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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.