Home / 21,056.16-29,028.35-14,673.54

Finding the Fourth Proportional to 21,056.16, 29,028.35 and 14,673.54

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Solution

The fourth proportional to 21,056.16, 29,028.35 and 14,673.54 is: 20,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,056.16 : 29,028.35 = 14,673.54 : x
  2. Step 2: Convert to fraction form
    21,056.16/29,028.35 = 14,673.54/x
  3. Step 3: Cross multiply
    21,056.16x = 29,028.35 × 14,673.54
  4. Step 4: Simplify right side
    21,056.16x = 425,948,581.49
  5. Step 5: Solve for x
    x = 425,948,581.49/21,056.16
  6. Step 6: Final answer
    x = 20,229.17

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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.