Home / 13,625.42-18,798.51-7,655.82

Finding the Fourth Proportional to 13,625.42, 18,798.51 and 7,655.82

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Solution

The fourth proportional to 13,625.42, 18,798.51 and 7,655.82 is: 10,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.42 : 18,798.51 = 7,655.82 : x
  2. Step 2: Convert to fraction form
    13,625.42/18,798.51 = 7,655.82/x
  3. Step 3: Cross multiply
    13,625.42x = 18,798.51 × 7,655.82
  4. Step 4: Simplify right side
    13,625.42x = 143,917,967.04
  5. Step 5: Solve for x
    x = 143,917,967.04/13,625.42
  6. Step 6: Final answer
    x = 10,562.46

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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.