Home / 14,260.77-19,680.51-7,973.15

Finding the Fourth Proportional to 14,260.77, 19,680.51 and 7,973.15

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Solution

The fourth proportional to 14,260.77, 19,680.51 and 7,973.15 is: 11,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.77 : 19,680.51 = 7,973.15 : x
  2. Step 2: Convert to fraction form
    14,260.77/19,680.51 = 7,973.15/x
  3. Step 3: Cross multiply
    14,260.77x = 19,680.51 × 7,973.15
  4. Step 4: Simplify right side
    14,260.77x = 156,915,658.31
  5. Step 5: Solve for x
    x = 156,915,658.31/14,260.77
  6. Step 6: Final answer
    x = 11,003.31

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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.