Home / 15,523.24-21,447.16-10,828.48

Finding the Fourth Proportional to 15,523.24, 21,447.16 and 10,828.48

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Solution

The fourth proportional to 15,523.24, 21,447.16 and 10,828.48 is: 14,960.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.24 : 21,447.16 = 10,828.48 : x
  2. Step 2: Convert to fraction form
    15,523.24/21,447.16 = 10,828.48/x
  3. Step 3: Cross multiply
    15,523.24x = 21,447.16 × 10,828.48
  4. Step 4: Simplify right side
    15,523.24x = 232,240,143.12
  5. Step 5: Solve for x
    x = 232,240,143.12/15,523.24
  6. Step 6: Final answer
    x = 14,960.80

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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.