Home / 19,803.34-27,332.22-11,419.84

Finding the Fourth Proportional to 19,803.34, 27,332.22 and 11,419.84

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Solution

The fourth proportional to 19,803.34, 27,332.22 and 11,419.84 is: 15,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.34 : 27,332.22 = 11,419.84 : x
  2. Step 2: Convert to fraction form
    19,803.34/27,332.22 = 11,419.84/x
  3. Step 3: Cross multiply
    19,803.34x = 27,332.22 × 11,419.84
  4. Step 4: Simplify right side
    19,803.34x = 312,129,579.24
  5. Step 5: Solve for x
    x = 312,129,579.24/19,803.34
  6. Step 6: Final answer
    x = 15,761.46

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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.