Home / 15,582.36-21,496.19-11,326.82

Finding the Fourth Proportional to 15,582.36, 21,496.19 and 11,326.82

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Solution

The fourth proportional to 15,582.36, 21,496.19 and 11,326.82 is: 15,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.36 : 21,496.19 = 11,326.82 : x
  2. Step 2: Convert to fraction form
    15,582.36/21,496.19 = 11,326.82/x
  3. Step 3: Cross multiply
    15,582.36x = 21,496.19 × 11,326.82
  4. Step 4: Simplify right side
    15,582.36x = 243,483,310.70
  5. Step 5: Solve for x
    x = 243,483,310.70/15,582.36
  6. Step 6: Final answer
    x = 15,625.57

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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.