Home / 19,176.80-26,462.08-14,143.72

Finding the Fourth Proportional to 19,176.80, 26,462.08 and 14,143.72

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Solution

The fourth proportional to 19,176.80, 26,462.08 and 14,143.72 is: 19,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.80 : 26,462.08 = 14,143.72 : x
  2. Step 2: Convert to fraction form
    19,176.80/26,462.08 = 14,143.72/x
  3. Step 3: Cross multiply
    19,176.80x = 26,462.08 × 14,143.72
  4. Step 4: Simplify right side
    19,176.80x = 374,272,250.14
  5. Step 5: Solve for x
    x = 374,272,250.14/19,176.80
  6. Step 6: Final answer
    x = 19,516.93

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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.