Home / 15,429.24-21,292.74-9,464.20

Finding the Fourth Proportional to 15,429.24, 21,292.74 and 9,464.20

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Solution

The fourth proportional to 15,429.24, 21,292.74 and 9,464.20 is: 13,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.24 : 21,292.74 = 9,464.20 : x
  2. Step 2: Convert to fraction form
    15,429.24/21,292.74 = 9,464.20/x
  3. Step 3: Cross multiply
    15,429.24x = 21,292.74 × 9,464.20
  4. Step 4: Simplify right side
    15,429.24x = 201,518,696.68
  5. Step 5: Solve for x
    x = 201,518,696.68/15,429.24
  6. Step 6: Final answer
    x = 13,060.83

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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.