Home / 19,217.81-26,520.59-10,834.31

Finding the Fourth Proportional to 19,217.81, 26,520.59 and 10,834.31

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Solution

The fourth proportional to 19,217.81, 26,520.59 and 10,834.31 is: 14,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,217.81 : 26,520.59 = 10,834.31 : x
  2. Step 2: Convert to fraction form
    19,217.81/26,520.59 = 10,834.31/x
  3. Step 3: Cross multiply
    19,217.81x = 26,520.59 × 10,834.31
  4. Step 4: Simplify right side
    19,217.81x = 287,332,386.83
  5. Step 5: Solve for x
    x = 287,332,386.83/19,217.81
  6. Step 6: Final answer
    x = 14,951.36

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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.