Home / 17,351.55-23,938.74-11,386.53

Finding the Fourth Proportional to 17,351.55, 23,938.74 and 11,386.53

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Solution

The fourth proportional to 17,351.55, 23,938.74 and 11,386.53 is: 15,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.55 : 23,938.74 = 11,386.53 : x
  2. Step 2: Convert to fraction form
    17,351.55/23,938.74 = 11,386.53/x
  3. Step 3: Cross multiply
    17,351.55x = 23,938.74 × 11,386.53
  4. Step 4: Simplify right side
    17,351.55x = 272,579,181.17
  5. Step 5: Solve for x
    x = 272,579,181.17/17,351.55
  6. Step 6: Final answer
    x = 15,709.21

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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.