Home / 14,010.30-20,991.15-9,077.40

Finding the Fourth Proportional to 14,010.30, 20,991.15 and 9,077.40

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Solution

The fourth proportional to 14,010.30, 20,991.15 and 9,077.40 is: 13,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.30 : 20,991.15 = 9,077.40 : x
  2. Step 2: Convert to fraction form
    14,010.30/20,991.15 = 9,077.40/x
  3. Step 3: Cross multiply
    14,010.30x = 20,991.15 × 9,077.40
  4. Step 4: Simplify right side
    14,010.30x = 190,545,065.01
  5. Step 5: Solve for x
    x = 190,545,065.01/14,010.30
  6. Step 6: Final answer
    x = 13,600.36

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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.