Home / 19,726.47-29,588.90-10,955.79

Finding the Fourth Proportional to 19,726.47, 29,588.90 and 10,955.79

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Solution

The fourth proportional to 19,726.47, 29,588.90 and 10,955.79 is: 16,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.47 : 29,588.90 = 10,955.79 : x
  2. Step 2: Convert to fraction form
    19,726.47/29,588.90 = 10,955.79/x
  3. Step 3: Cross multiply
    19,726.47x = 29,588.90 × 10,955.79
  4. Step 4: Simplify right side
    19,726.47x = 324,169,719.95
  5. Step 5: Solve for x
    x = 324,169,719.95/19,726.47
  6. Step 6: Final answer
    x = 16,433.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.