Home / 28,184.68-38,913.06-17,578.60

Finding the Fourth Proportional to 28,184.68, 38,913.06 and 17,578.60

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Solution

The fourth proportional to 28,184.68, 38,913.06 and 17,578.60 is: 24,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,184.68 : 38,913.06 = 17,578.60 : x
  2. Step 2: Convert to fraction form
    28,184.68/38,913.06 = 17,578.60/x
  3. Step 3: Cross multiply
    28,184.68x = 38,913.06 × 17,578.60
  4. Step 4: Simplify right side
    28,184.68x = 684,037,116.52
  5. Step 5: Solve for x
    x = 684,037,116.52/28,184.68
  6. Step 6: Final answer
    x = 24,269.82

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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.