Home / 13,570.62-20,345.49-6,547.02

Finding the Fourth Proportional to 13,570.62, 20,345.49 and 6,547.02

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Solution

The fourth proportional to 13,570.62, 20,345.49 and 6,547.02 is: 9,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570.62 : 20,345.49 = 6,547.02 : x
  2. Step 2: Convert to fraction form
    13,570.62/20,345.49 = 6,547.02/x
  3. Step 3: Cross multiply
    13,570.62x = 20,345.49 × 6,547.02
  4. Step 4: Simplify right side
    13,570.62x = 133,202,329.94
  5. Step 5: Solve for x
    x = 133,202,329.94/13,570.62
  6. Step 6: Final answer
    x = 9,815.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.