Home / 42,605.19-63,907.97-13,022.91

Finding the Fourth Proportional to 42,605.19, 63,907.97 and 13,022.91

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Solution

The fourth proportional to 42,605.19, 63,907.97 and 13,022.91 is: 19,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,605.19 : 63,907.97 = 13,022.91 : x
  2. Step 2: Convert to fraction form
    42,605.19/63,907.97 = 13,022.91/x
  3. Step 3: Cross multiply
    42,605.19x = 63,907.97 × 13,022.91
  4. Step 4: Simplify right side
    42,605.19x = 832,267,676.48
  5. Step 5: Solve for x
    x = 832,267,676.48/42,605.19
  6. Step 6: Final answer
    x = 19,534.42

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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.