Home / 21,734.84-29,983.48-14,177.74

Finding the Fourth Proportional to 21,734.84, 29,983.48 and 14,177.74

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Solution

The fourth proportional to 21,734.84, 29,983.48 and 14,177.74 is: 19,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,734.84 : 29,983.48 = 14,177.74 : x
  2. Step 2: Convert to fraction form
    21,734.84/29,983.48 = 14,177.74/x
  3. Step 3: Cross multiply
    21,734.84x = 29,983.48 × 14,177.74
  4. Step 4: Simplify right side
    21,734.84x = 425,097,762.93
  5. Step 5: Solve for x
    x = 425,097,762.93/21,734.84
  6. Step 6: Final answer
    x = 19,558.36

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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.