Home / 13,886.56-20,830.08-4,526.64

Finding the Fourth Proportional to 13,886.56, 20,830.08 and 4,526.64

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Solution

The fourth proportional to 13,886.56, 20,830.08 and 4,526.64 is: 6,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.56 : 20,830.08 = 4,526.64 : x
  2. Step 2: Convert to fraction form
    13,886.56/20,830.08 = 4,526.64/x
  3. Step 3: Cross multiply
    13,886.56x = 20,830.08 × 4,526.64
  4. Step 4: Simplify right side
    13,886.56x = 94,290,273.33
  5. Step 5: Solve for x
    x = 94,290,273.33/13,886.56
  6. Step 6: Final answer
    x = 6,790.04

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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.