Home / 13,006.26-17,948.56-7,342.85

Finding the Fourth Proportional to 13,006.26, 17,948.56 and 7,342.85

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Solution

The fourth proportional to 13,006.26, 17,948.56 and 7,342.85 is: 10,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,006.26 : 17,948.56 = 7,342.85 : x
  2. Step 2: Convert to fraction form
    13,006.26/17,948.56 = 7,342.85/x
  3. Step 3: Cross multiply
    13,006.26x = 17,948.56 × 7,342.85
  4. Step 4: Simplify right side
    13,006.26x = 131,793,457.34
  5. Step 5: Solve for x
    x = 131,793,457.34/13,006.26
  6. Step 6: Final answer
    x = 10,133.08

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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.