Home / 14,087.12-19,439.34-7,799

Finding the Fourth Proportional to 14,087.12, 19,439.34 and 7,799

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Solution

The fourth proportional to 14,087.12, 19,439.34 and 7,799 is: 10,762.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.12 : 19,439.34 = 7,799 : x
  2. Step 2: Convert to fraction form
    14,087.12/19,439.34 = 7,799/x
  3. Step 3: Cross multiply
    14,087.12x = 19,439.34 × 7,799
  4. Step 4: Simplify right side
    14,087.12x = 151,607,412.66
  5. Step 5: Solve for x
    x = 151,607,412.66/14,087.12
  6. Step 6: Final answer
    x = 10,762.13

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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.