Home / 14,010.12-19,333.76-7,722.36

Finding the Fourth Proportional to 14,010.12, 19,333.76 and 7,722.36

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Solution

The fourth proportional to 14,010.12, 19,333.76 and 7,722.36 is: 10,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.12 : 19,333.76 = 7,722.36 : x
  2. Step 2: Convert to fraction form
    14,010.12/19,333.76 = 7,722.36/x
  3. Step 3: Cross multiply
    14,010.12x = 19,333.76 × 7,722.36
  4. Step 4: Simplify right side
    14,010.12x = 149,302,254.87
  5. Step 5: Solve for x
    x = 149,302,254.87/14,010.12
  6. Step 6: Final answer
    x = 10,656.74

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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.