Home / 14,042.66-21,061.56-7,701.80

Finding the Fourth Proportional to 14,042.66, 21,061.56 and 7,701.80

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Solution

The fourth proportional to 14,042.66, 21,061.56 and 7,701.80 is: 11,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.66 : 21,061.56 = 7,701.80 : x
  2. Step 2: Convert to fraction form
    14,042.66/21,061.56 = 7,701.80/x
  3. Step 3: Cross multiply
    14,042.66x = 21,061.56 × 7,701.80
  4. Step 4: Simplify right side
    14,042.66x = 162,211,922.81
  5. Step 5: Solve for x
    x = 162,211,922.81/14,042.66
  6. Step 6: Final answer
    x = 11,551.37

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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.