Home / 13,445.10-20,172.78-6,053.04

Finding the Fourth Proportional to 13,445.10, 20,172.78 and 6,053.04

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Solution

The fourth proportional to 13,445.10, 20,172.78 and 6,053.04 is: 9,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.10 : 20,172.78 = 6,053.04 : x
  2. Step 2: Convert to fraction form
    13,445.10/20,172.78 = 6,053.04/x
  3. Step 3: Cross multiply
    13,445.10x = 20,172.78 × 6,053.04
  4. Step 4: Simplify right side
    13,445.10x = 122,106,644.25
  5. Step 5: Solve for x
    x = 122,106,644.25/13,445.10
  6. Step 6: Final answer
    x = 9,081.87

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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.