Home / 13,014.05-17,959.38-7,045.77

Finding the Fourth Proportional to 13,014.05, 17,959.38 and 7,045.77

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Solution

The fourth proportional to 13,014.05, 17,959.38 and 7,045.77 is: 9,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014.05 : 17,959.38 = 7,045.77 : x
  2. Step 2: Convert to fraction form
    13,014.05/17,959.38 = 7,045.77/x
  3. Step 3: Cross multiply
    13,014.05x = 17,959.38 × 7,045.77
  4. Step 4: Simplify right side
    13,014.05x = 126,537,660.82
  5. Step 5: Solve for x
    x = 126,537,660.82/13,014.05
  6. Step 6: Final answer
    x = 9,723.16

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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.