Home / 19,428.84-26,810.82-10,932.39

Finding the Fourth Proportional to 19,428.84, 26,810.82 and 10,932.39

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Solution

The fourth proportional to 19,428.84, 26,810.82 and 10,932.39 is: 15,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.84 : 26,810.82 = 10,932.39 : x
  2. Step 2: Convert to fraction form
    19,428.84/26,810.82 = 10,932.39/x
  3. Step 3: Cross multiply
    19,428.84x = 26,810.82 × 10,932.39
  4. Step 4: Simplify right side
    19,428.84x = 293,106,340.46
  5. Step 5: Solve for x
    x = 293,106,340.46/19,428.84
  6. Step 6: Final answer
    x = 15,086.15

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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.