Home / 15,582.24-21,503.58-8,508.48

Finding the Fourth Proportional to 15,582.24, 21,503.58 and 8,508.48

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Solution

The fourth proportional to 15,582.24, 21,503.58 and 8,508.48 is: 11,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.24 : 21,503.58 = 8,508.48 : x
  2. Step 2: Convert to fraction form
    15,582.24/21,503.58 = 8,508.48/x
  3. Step 3: Cross multiply
    15,582.24x = 21,503.58 × 8,508.48
  4. Step 4: Simplify right side
    15,582.24x = 182,962,780.36
  5. Step 5: Solve for x
    x = 182,962,780.36/15,582.24
  6. Step 6: Final answer
    x = 11,741.75

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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.