Home / 20,502.84-28,296.60-11,552.10

Finding the Fourth Proportional to 20,502.84, 28,296.60 and 11,552.10

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Solution

The fourth proportional to 20,502.84, 28,296.60 and 11,552.10 is: 15,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502.84 : 28,296.60 = 11,552.10 : x
  2. Step 2: Convert to fraction form
    20,502.84/28,296.60 = 11,552.10/x
  3. Step 3: Cross multiply
    20,502.84x = 28,296.60 × 11,552.10
  4. Step 4: Simplify right side
    20,502.84x = 326,885,152.86
  5. Step 5: Solve for x
    x = 326,885,152.86/20,502.84
  6. Step 6: Final answer
    x = 15,943.41

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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.