Home / 17,699.81-26,534.84-11,838.53

Finding the Fourth Proportional to 17,699.81, 26,534.84 and 11,838.53

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Solution

The fourth proportional to 17,699.81, 26,534.84 and 11,838.53 is: 17,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.81 : 26,534.84 = 11,838.53 : x
  2. Step 2: Convert to fraction form
    17,699.81/26,534.84 = 11,838.53/x
  3. Step 3: Cross multiply
    17,699.81x = 26,534.84 × 11,838.53
  4. Step 4: Simplify right side
    17,699.81x = 314,133,440.19
  5. Step 5: Solve for x
    x = 314,133,440.19/17,699.81
  6. Step 6: Final answer
    x = 17,747.84

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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.