Home / 17,619.80-24,316.40-9,663.17

Finding the Fourth Proportional to 17,619.80, 24,316.40 and 9,663.17

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Solution

The fourth proportional to 17,619.80, 24,316.40 and 9,663.17 is: 13,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.80 : 24,316.40 = 9,663.17 : x
  2. Step 2: Convert to fraction form
    17,619.80/24,316.40 = 9,663.17/x
  3. Step 3: Cross multiply
    17,619.80x = 24,316.40 × 9,663.17
  4. Step 4: Simplify right side
    17,619.80x = 234,973,409.56
  5. Step 5: Solve for x
    x = 234,973,409.56/17,619.80
  6. Step 6: Final answer
    x = 13,335.76

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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.