Home / 19,129.84-26,386.07-11,563.04

Finding the Fourth Proportional to 19,129.84, 26,386.07 and 11,563.04

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Solution

The fourth proportional to 19,129.84, 26,386.07 and 11,563.04 is: 15,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.84 : 26,386.07 = 11,563.04 : x
  2. Step 2: Convert to fraction form
    19,129.84/26,386.07 = 11,563.04/x
  3. Step 3: Cross multiply
    19,129.84x = 26,386.07 × 11,563.04
  4. Step 4: Simplify right side
    19,129.84x = 305,103,191.00
  5. Step 5: Solve for x
    x = 305,103,191.00/19,129.84
  6. Step 6: Final answer
    x = 15,949.07

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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.