Home / 14,148.90-21,211.20-8,596.35

Finding the Fourth Proportional to 14,148.90, 21,211.20 and 8,596.35

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Solution

The fourth proportional to 14,148.90, 21,211.20 and 8,596.35 is: 12,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.90 : 21,211.20 = 8,596.35 : x
  2. Step 2: Convert to fraction form
    14,148.90/21,211.20 = 8,596.35/x
  3. Step 3: Cross multiply
    14,148.90x = 21,211.20 × 8,596.35
  4. Step 4: Simplify right side
    14,148.90x = 182,338,899.12
  5. Step 5: Solve for x
    x = 182,338,899.12/14,148.90
  6. Step 6: Final answer
    x = 12,887.14

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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.