Home / 19,473.42-26,872.54-10,977.30

Finding the Fourth Proportional to 19,473.42, 26,872.54 and 10,977.30

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Solution

The fourth proportional to 19,473.42, 26,872.54 and 10,977.30 is: 15,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,473.42 : 26,872.54 = 10,977.30 : x
  2. Step 2: Convert to fraction form
    19,473.42/26,872.54 = 10,977.30/x
  3. Step 3: Cross multiply
    19,473.42x = 26,872.54 × 10,977.30
  4. Step 4: Simplify right side
    19,473.42x = 294,988,047.84
  5. Step 5: Solve for x
    x = 294,988,047.84/19,473.42
  6. Step 6: Final answer
    x = 15,148.24

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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.