Home / 13,995.59-19,313.63-7,622.25

Finding the Fourth Proportional to 13,995.59, 19,313.63 and 7,622.25

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Solution

The fourth proportional to 13,995.59, 19,313.63 and 7,622.25 is: 10,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,995.59 : 19,313.63 = 7,622.25 : x
  2. Step 2: Convert to fraction form
    13,995.59/19,313.63 = 7,622.25/x
  3. Step 3: Cross multiply
    13,995.59x = 19,313.63 × 7,622.25
  4. Step 4: Simplify right side
    13,995.59x = 147,213,316.27
  5. Step 5: Solve for x
    x = 147,213,316.27/13,995.59
  6. Step 6: Final answer
    x = 10,518.55

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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.