Home / 15,582.48-21,502.96-8,508.75

Finding the Fourth Proportional to 15,582.48, 21,502.96 and 8,508.75

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Solution

The fourth proportional to 15,582.48, 21,502.96 and 8,508.75 is: 11,741.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.48 : 21,502.96 = 8,508.75 : x
  2. Step 2: Convert to fraction form
    15,582.48/21,502.96 = 8,508.75/x
  3. Step 3: Cross multiply
    15,582.48x = 21,502.96 × 8,508.75
  4. Step 4: Simplify right side
    15,582.48x = 182,963,310.90
  5. Step 5: Solve for x
    x = 182,963,310.90/15,582.48
  6. Step 6: Final answer
    x = 11,741.60

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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.