Home / 14,185.90-19,563.80-8,881.20

Finding the Fourth Proportional to 14,185.90, 19,563.80 and 8,881.20

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Solution

The fourth proportional to 14,185.90, 19,563.80 and 8,881.20 is: 12,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.90 : 19,563.80 = 8,881.20 : x
  2. Step 2: Convert to fraction form
    14,185.90/19,563.80 = 8,881.20/x
  3. Step 3: Cross multiply
    14,185.90x = 19,563.80 × 8,881.20
  4. Step 4: Simplify right side
    14,185.90x = 173,750,020.56
  5. Step 5: Solve for x
    x = 173,750,020.56/14,185.90
  6. Step 6: Final answer
    x = 12,248.08

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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.