Home / 28,302.08-42,436.86-11,673.56

Finding the Fourth Proportional to 28,302.08, 42,436.86 and 11,673.56

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Solution

The fourth proportional to 28,302.08, 42,436.86 and 11,673.56 is: 17,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,302.08 : 42,436.86 = 11,673.56 : x
  2. Step 2: Convert to fraction form
    28,302.08/42,436.86 = 11,673.56/x
  3. Step 3: Cross multiply
    28,302.08x = 42,436.86 × 11,673.56
  4. Step 4: Simplify right side
    28,302.08x = 495,389,231.42
  5. Step 5: Solve for x
    x = 495,389,231.42/28,302.08
  6. Step 6: Final answer
    x = 17,503.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.