Home / 15,041.49-20,757.01-8,326.97

Finding the Fourth Proportional to 15,041.49, 20,757.01 and 8,326.97

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Solution

The fourth proportional to 15,041.49, 20,757.01 and 8,326.97 is: 11,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.49 : 20,757.01 = 8,326.97 : x
  2. Step 2: Convert to fraction form
    15,041.49/20,757.01 = 8,326.97/x
  3. Step 3: Cross multiply
    15,041.49x = 20,757.01 × 8,326.97
  4. Step 4: Simplify right side
    15,041.49x = 172,843,030.63
  5. Step 5: Solve for x
    x = 172,843,030.63/15,041.49
  6. Step 6: Final answer
    x = 11,491.08

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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.