Home / 11,619.81-17,444.16-11,566.53

Finding the Fourth Proportional to 11,619.81, 17,444.16 and 11,566.53

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Solution

The fourth proportional to 11,619.81, 17,444.16 and 11,566.53 is: 17,364.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.81 : 17,444.16 = 11,566.53 : x
  2. Step 2: Convert to fraction form
    11,619.81/17,444.16 = 11,566.53/x
  3. Step 3: Cross multiply
    11,619.81x = 17,444.16 × 11,566.53
  4. Step 4: Simplify right side
    11,619.81x = 201,768,399.96
  5. Step 5: Solve for x
    x = 201,768,399.96/11,619.81
  6. Step 6: Final answer
    x = 17,364.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.