Home / 19,419.84-26,798.71-10,922.32

Finding the Fourth Proportional to 19,419.84, 26,798.71 and 10,922.32

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Solution

The fourth proportional to 19,419.84, 26,798.71 and 10,922.32 is: 15,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.84 : 26,798.71 = 10,922.32 : x
  2. Step 2: Convert to fraction form
    19,419.84/26,798.71 = 10,922.32/x
  3. Step 3: Cross multiply
    19,419.84x = 26,798.71 × 10,922.32
  4. Step 4: Simplify right side
    19,419.84x = 292,704,086.21
  5. Step 5: Solve for x
    x = 292,704,086.21/19,419.84
  6. Step 6: Final answer
    x = 15,072.43

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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.