Home / 14,814.04-20,445.60-8,525.20

Finding the Fourth Proportional to 14,814.04, 20,445.60 and 8,525.20

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Solution

The fourth proportional to 14,814.04, 20,445.60 and 8,525.20 is: 11,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.04 : 20,445.60 = 8,525.20 : x
  2. Step 2: Convert to fraction form
    14,814.04/20,445.60 = 8,525.20/x
  3. Step 3: Cross multiply
    14,814.04x = 20,445.60 × 8,525.20
  4. Step 4: Simplify right side
    14,814.04x = 174,302,829.12
  5. Step 5: Solve for x
    x = 174,302,829.12/14,814.04
  6. Step 6: Final answer
    x = 11,766.06

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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.