Home / 13,281.73-18,329.74-7,461.32

Finding the Fourth Proportional to 13,281.73, 18,329.74 and 7,461.32

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Solution

The fourth proportional to 13,281.73, 18,329.74 and 7,461.32 is: 10,297.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.73 : 18,329.74 = 7,461.32 : x
  2. Step 2: Convert to fraction form
    13,281.73/18,329.74 = 7,461.32/x
  3. Step 3: Cross multiply
    13,281.73x = 18,329.74 × 7,461.32
  4. Step 4: Simplify right side
    13,281.73x = 136,763,987.32
  5. Step 5: Solve for x
    x = 136,763,987.32/13,281.73
  6. Step 6: Final answer
    x = 10,297.15

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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.