Home / 18,627.90-25,705.98-10,244.40

Finding the Fourth Proportional to 18,627.90, 25,705.98 and 10,244.40

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Solution

The fourth proportional to 18,627.90, 25,705.98 and 10,244.40 is: 14,136.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.90 : 25,705.98 = 10,244.40 : x
  2. Step 2: Convert to fraction form
    18,627.90/25,705.98 = 10,244.40/x
  3. Step 3: Cross multiply
    18,627.90x = 25,705.98 × 10,244.40
  4. Step 4: Simplify right side
    18,627.90x = 263,342,212.98
  5. Step 5: Solve for x
    x = 263,342,212.98/18,627.90
  6. Step 6: Final answer
    x = 14,136.98

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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.