Home / 14,808.48-20,435.72-8,522.08

Finding the Fourth Proportional to 14,808.48, 20,435.72 and 8,522.08

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Solution

The fourth proportional to 14,808.48, 20,435.72 and 8,522.08 is: 11,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.48 : 20,435.72 = 8,522.08 : x
  2. Step 2: Convert to fraction form
    14,808.48/20,435.72 = 8,522.08/x
  3. Step 3: Cross multiply
    14,808.48x = 20,435.72 × 8,522.08
  4. Step 4: Simplify right side
    14,808.48x = 174,154,840.70
  5. Step 5: Solve for x
    x = 174,154,840.70/14,808.48
  6. Step 6: Final answer
    x = 11,760.48

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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.