Home / 14,019.37-19,346.65-7,645.84

Finding the Fourth Proportional to 14,019.37, 19,346.65 and 7,645.84

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Solution

The fourth proportional to 14,019.37, 19,346.65 and 7,645.84 is: 10,551.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.37 : 19,346.65 = 7,645.84 : x
  2. Step 2: Convert to fraction form
    14,019.37/19,346.65 = 7,645.84/x
  3. Step 3: Cross multiply
    14,019.37x = 19,346.65 × 7,645.84
  4. Step 4: Simplify right side
    14,019.37x = 147,921,480.16
  5. Step 5: Solve for x
    x = 147,921,480.16/14,019.37
  6. Step 6: Final answer
    x = 10,551.22

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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.