Home / 28,623.11-39,499.88-17,445.11

Finding the Fourth Proportional to 28,623.11, 39,499.88 and 17,445.11

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Solution

The fourth proportional to 28,623.11, 39,499.88 and 17,445.11 is: 24,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.11 : 39,499.88 = 17,445.11 : x
  2. Step 2: Convert to fraction form
    28,623.11/39,499.88 = 17,445.11/x
  3. Step 3: Cross multiply
    28,623.11x = 39,499.88 × 17,445.11
  4. Step 4: Simplify right side
    28,623.11x = 689,079,466.86
  5. Step 5: Solve for x
    x = 689,079,466.86/28,623.11
  6. Step 6: Final answer
    x = 24,074.24

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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.