Home / 14,385.63-21,578.45-4,525.91

Finding the Fourth Proportional to 14,385.63, 21,578.45 and 4,525.91

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Solution

The fourth proportional to 14,385.63, 21,578.45 and 4,525.91 is: 6,788.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.63 : 21,578.45 = 4,525.91 : x
  2. Step 2: Convert to fraction form
    14,385.63/21,578.45 = 4,525.91/x
  3. Step 3: Cross multiply
    14,385.63x = 21,578.45 × 4,525.91
  4. Step 4: Simplify right side
    14,385.63x = 97,662,122.64
  5. Step 5: Solve for x
    x = 97,662,122.64/14,385.63
  6. Step 6: Final answer
    x = 6,788.87

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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.