Home / 13,802.22-19,046.70-8,060.76

Finding the Fourth Proportional to 13,802.22, 19,046.70 and 8,060.76

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Solution

The fourth proportional to 13,802.22, 19,046.70 and 8,060.76 is: 11,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.22 : 19,046.70 = 8,060.76 : x
  2. Step 2: Convert to fraction form
    13,802.22/19,046.70 = 8,060.76/x
  3. Step 3: Cross multiply
    13,802.22x = 19,046.70 × 8,060.76
  4. Step 4: Simplify right side
    13,802.22x = 153,530,877.49
  5. Step 5: Solve for x
    x = 153,530,877.49/13,802.22
  6. Step 6: Final answer
    x = 11,123.64

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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.