Home / 13,021.08-17,969.04-7,052.70

Finding the Fourth Proportional to 13,021.08, 17,969.04 and 7,052.70

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Solution

The fourth proportional to 13,021.08, 17,969.04 and 7,052.70 is: 9,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.08 : 17,969.04 = 7,052.70 : x
  2. Step 2: Convert to fraction form
    13,021.08/17,969.04 = 7,052.70/x
  3. Step 3: Cross multiply
    13,021.08x = 17,969.04 × 7,052.70
  4. Step 4: Simplify right side
    13,021.08x = 126,730,248.41
  5. Step 5: Solve for x
    x = 126,730,248.41/13,021.08
  6. Step 6: Final answer
    x = 9,732.70

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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.