Home / 14,578.16-21,870.44-4,718.44

Finding the Fourth Proportional to 14,578.16, 21,870.44 and 4,718.44

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Solution

The fourth proportional to 14,578.16, 21,870.44 and 4,718.44 is: 7,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,578.16 : 21,870.44 = 4,718.44 : x
  2. Step 2: Convert to fraction form
    14,578.16/21,870.44 = 4,718.44/x
  3. Step 3: Cross multiply
    14,578.16x = 21,870.44 × 4,718.44
  4. Step 4: Simplify right side
    14,578.16x = 103,194,358.91
  5. Step 5: Solve for x
    x = 103,194,358.91/14,578.16
  6. Step 6: Final answer
    x = 7,078.70

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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.