Home / 19,128.70-26,397.07-10,630.61

Finding the Fourth Proportional to 19,128.70, 26,397.07 and 10,630.61

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Solution

The fourth proportional to 19,128.70, 26,397.07 and 10,630.61 is: 14,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.70 : 26,397.07 = 10,630.61 : x
  2. Step 2: Convert to fraction form
    19,128.70/26,397.07 = 10,630.61/x
  3. Step 3: Cross multiply
    19,128.70x = 26,397.07 × 10,630.61
  4. Step 4: Simplify right side
    19,128.70x = 280,616,956.31
  5. Step 5: Solve for x
    x = 280,616,956.31/19,128.70
  6. Step 6: Final answer
    x = 14,669.94

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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.