Home / 15,443.24-21,339.06-12,095.24

Finding the Fourth Proportional to 15,443.24, 21,339.06 and 12,095.24

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Solution

The fourth proportional to 15,443.24, 21,339.06 and 12,095.24 is: 16,712.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,443.24 : 21,339.06 = 12,095.24 : x
  2. Step 2: Convert to fraction form
    15,443.24/21,339.06 = 12,095.24/x
  3. Step 3: Cross multiply
    15,443.24x = 21,339.06 × 12,095.24
  4. Step 4: Simplify right side
    15,443.24x = 258,101,052.07
  5. Step 5: Solve for x
    x = 258,101,052.07/15,443.24
  6. Step 6: Final answer
    x = 16,712.88

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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.