Home / 13,895.25-20,848.65-5,581.16

Finding the Fourth Proportional to 13,895.25, 20,848.65 and 5,581.16

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Solution

The fourth proportional to 13,895.25, 20,848.65 and 5,581.16 is: 8,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.25 : 20,848.65 = 5,581.16 : x
  2. Step 2: Convert to fraction form
    13,895.25/20,848.65 = 5,581.16/x
  3. Step 3: Cross multiply
    13,895.25x = 20,848.65 × 5,581.16
  4. Step 4: Simplify right side
    13,895.25x = 116,359,714.02
  5. Step 5: Solve for x
    x = 116,359,714.02/13,895.25
  6. Step 6: Final answer
    x = 8,374.06

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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.