Home / 21,193.47-29,248.35-11,762.03

Finding the Fourth Proportional to 21,193.47, 29,248.35 and 11,762.03

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Solution

The fourth proportional to 21,193.47, 29,248.35 and 11,762.03 is: 16,232.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.47 : 29,248.35 = 11,762.03 : x
  2. Step 2: Convert to fraction form
    21,193.47/29,248.35 = 11,762.03/x
  3. Step 3: Cross multiply
    21,193.47x = 29,248.35 × 11,762.03
  4. Step 4: Simplify right side
    21,193.47x = 344,019,970.15
  5. Step 5: Solve for x
    x = 344,019,970.15/21,193.47
  6. Step 6: Final answer
    x = 16,232.36

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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.