Home / 13,293.81-18,345.38-7,244.04

Finding the Fourth Proportional to 13,293.81, 18,345.38 and 7,244.04

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Solution

The fourth proportional to 13,293.81, 18,345.38 and 7,244.04 is: 9,996.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.81 : 18,345.38 = 7,244.04 : x
  2. Step 2: Convert to fraction form
    13,293.81/18,345.38 = 7,244.04/x
  3. Step 3: Cross multiply
    13,293.81x = 18,345.38 × 7,244.04
  4. Step 4: Simplify right side
    13,293.81x = 132,894,730.51
  5. Step 5: Solve for x
    x = 132,894,730.51/13,293.81
  6. Step 6: Final answer
    x = 9,996.74

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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.