Home / 19,100.65-26,359.32-11,143.41

Finding the Fourth Proportional to 19,100.65, 26,359.32 and 11,143.41

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Solution

The fourth proportional to 19,100.65, 26,359.32 and 11,143.41 is: 15,378.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.65 : 26,359.32 = 11,143.41 : x
  2. Step 2: Convert to fraction form
    19,100.65/26,359.32 = 11,143.41/x
  3. Step 3: Cross multiply
    19,100.65x = 26,359.32 × 11,143.41
  4. Step 4: Simplify right side
    19,100.65x = 293,732,710.08
  5. Step 5: Solve for x
    x = 293,732,710.08/19,100.65
  6. Step 6: Final answer
    x = 15,378.15

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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.