Home / 19,172.57-26,461.76-10,789.07

Finding the Fourth Proportional to 19,172.57, 26,461.76 and 10,789.07

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Solution

The fourth proportional to 19,172.57, 26,461.76 and 10,789.07 is: 14,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.57 : 26,461.76 = 10,789.07 : x
  2. Step 2: Convert to fraction form
    19,172.57/26,461.76 = 10,789.07/x
  3. Step 3: Cross multiply
    19,172.57x = 26,461.76 × 10,789.07
  4. Step 4: Simplify right side
    19,172.57x = 285,497,594.71
  5. Step 5: Solve for x
    x = 285,497,594.71/19,172.57
  6. Step 6: Final answer
    x = 14,890.94

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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.