Home / 14,087.51-19,440.78-7,799.75

Finding the Fourth Proportional to 14,087.51, 19,440.78 and 7,799.75

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Solution

The fourth proportional to 14,087.51, 19,440.78 and 7,799.75 is: 10,763.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.51 : 19,440.78 = 7,799.75 : x
  2. Step 2: Convert to fraction form
    14,087.51/19,440.78 = 7,799.75/x
  3. Step 3: Cross multiply
    14,087.51x = 19,440.78 × 7,799.75
  4. Step 4: Simplify right side
    14,087.51x = 151,633,223.81
  5. Step 5: Solve for x
    x = 151,633,223.81/14,087.51
  6. Step 6: Final answer
    x = 10,763.66

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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.