Home / 23,278.94-32,124.87-13,209.35

Finding the Fourth Proportional to 23,278.94, 32,124.87 and 13,209.35

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Solution

The fourth proportional to 23,278.94, 32,124.87 and 13,209.35 is: 18,228.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.94 : 32,124.87 = 13,209.35 : x
  2. Step 2: Convert to fraction form
    23,278.94/32,124.87 = 13,209.35/x
  3. Step 3: Cross multiply
    23,278.94x = 32,124.87 × 13,209.35
  4. Step 4: Simplify right side
    23,278.94x = 424,348,651.53
  5. Step 5: Solve for x
    x = 424,348,651.53/23,278.94
  6. Step 6: Final answer
    x = 18,228.86

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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.