Home / 19,226.12-26,516.80-12,513.92

Finding the Fourth Proportional to 19,226.12, 26,516.80 and 12,513.92

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Solution

The fourth proportional to 19,226.12, 26,516.80 and 12,513.92 is: 17,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.12 : 26,516.80 = 12,513.92 : x
  2. Step 2: Convert to fraction form
    19,226.12/26,516.80 = 12,513.92/x
  3. Step 3: Cross multiply
    19,226.12x = 26,516.80 × 12,513.92
  4. Step 4: Simplify right side
    19,226.12x = 331,829,113.86
  5. Step 5: Solve for x
    x = 331,829,113.86/19,226.12
  6. Step 6: Final answer
    x = 17,259.29

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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.