Home / 21,295.68-29,386.87-11,735.25

Finding the Fourth Proportional to 21,295.68, 29,386.87 and 11,735.25

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Solution

The fourth proportional to 21,295.68, 29,386.87 and 11,735.25 is: 16,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,295.68 : 29,386.87 = 11,735.25 : x
  2. Step 2: Convert to fraction form
    21,295.68/29,386.87 = 11,735.25/x
  3. Step 3: Cross multiply
    21,295.68x = 29,386.87 × 11,735.25
  4. Step 4: Simplify right side
    21,295.68x = 344,862,266.17
  5. Step 5: Solve for x
    x = 344,862,266.17/21,295.68
  6. Step 6: Final answer
    x = 16,194.00

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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.